The final pressure of the gas is p2 = 2.085 * 10^5 pa.
Boyle's law is a gas law that states that the pressure exerted by a gas (of a given mass at a constant temperature) is inversely proportional to the volume it occupies. That is, if the temperature and quantity of gas are constant, the pressure and volume of the gas are inversely proportional.
Boyle's Law states that a change in the volume occupied by a gas (at a constant amount and temperature) leads to a change in the pressure exerted by the gas. The following mathematical formulation of this law is possible:
P1V1 = P2V2
Given,
Initial Volume, v1 = 500 cm3
Final Volume, v2 = 240 cm3
Initial Pressure, p1 = 1.0 * 10^5 pa
Final Pressure, p2
We know that,
p1 v1 = p2 v2
1.0 * 10^5 * 500 = p2 * 240
p2 = 2.085 * 10^5 pa
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What is the relationship between change in position and velocity?
Answer:
Position and velocity are both vector quantities. Because velocity is the rate of change of position with respect to time, there is a very close relationship between position and velocity. When the position remains constant, the corresponding velocity is zero because there is no change in position and the object is effectively at rest.
Explanation:
Powerful people or powerful machines are simply people or machine which always does a lot of work. is this statement true or false? explain
FALSE - Not always.
Machines can do a lot of work, but if they can't do it quickly, they aren't necessarily efficient. In fact, two machines can perform the same task (that is, do the same job), but their power ratings can differ significantly.
We know that machines are man made objects. they work by the instructions given my the people which made them. machines are effective as they can do the work more precisely and effectively but it varies from machine to machine and it depends on a lot of factors.
Machines can do a lot of work until it is workable and it does not have any malfunctioning once it stops working it is not powerful or efficient
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What do you observe when holding your plastic shopping bag between the light source and the wall
when holding your plastic shopping bag between the light source and the wall we will observe a large shadow in a dark color on the wall.
When we hold the largest plastic shopping bag between the light source and the wall the plastic bag will block the light.
When an object blocks the light way light can't pass through that object and where the light can't pass there we will observe a dark shadow
So here we can say that when we hold a bag between light and wall we will observe a shadow
If the bag is transparent still will we can see a shadow but not as dark as before because when light passes through a transparent it will allow some light through it but not like other materials.
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A softball player throws a pitch. during the throw, the speed of the softball increases from 0 m/s to 40 m/s in 0.08 seconds. the average acceleration of the ball is...
A softball player throws a pitch. during the throw, the speed of the softball increases from 0 m/s to 40 m/s in 0.08 seconds. The average acceleration of the ball is 500m/s^2
As we know that average acceleration is :
a= Δv/Δt
given:
v1=0 m/s
v2=40m/s
t=0.08 s
put the values in the formula
a= 40 - 0/0.08
a=500m/s^2
Thus the average acceleration is 500 m/s^2.
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By using uniform motion, the average acceleration is 500 m/s².
We need to know about the uniform motion to solve this problem. The uniform motion is an object's motion under acceleration. It should follow the rule
vt = vo + a . t
vt² = vo² + 2a . s
s = vo . t + 1/2 . a . t²
where vt is final velocity, vo is initial velocity, a is acceleration, t is time and s is displacement.
From the question above, we know that
vt = 40 m/s
vo = 0 m/s
t = 0.08 s
By substituting the given parameters, we can calculate the acceleration
vt = vo + a . t
40 = 0 + a . 0.08
a = 40/0.08
a = 500 m/s²
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wei is standing in wavy water and notices the depth of the waves varies in a periodic way that can be modeled by a trigonometric function. he starts a stopwatch to time the waves.
The function of wavy water is D(t) = 33.5 +21.5cos(2π/3·(t -1.1))
What are wave functions?In quantum physics, a wave function is a mathematical representation of the quantum state of a standalone quantum system. The probabilities for potential outcomes of measurements performed on the system may be calculated from the wave function, which is a complex-valued probability amplitude.
The function can be ...
D(t) = A +Bcos(C(t-p))
where A is the average depth (55+12)/2 = 33.5 cm,
B is the peak deviation from average, 55 -33.5 = 21.5 cm,
C is the horizontal scale factor (2π/T) = (2π/3) for a period (T) of 3 seconds,
and p is the phase offset, given as 1.1 seconds.
the function -
D(t) = 33.5 +21.5cos(2π/3·(t -1.1))
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What acceleration does it take to reach 15 m/s (from rest) in 5 seconds?
Answer:
The answer is simple….
As we know v = u + (a×t)
Where
v is the final velocity
u is the initialvelocity
a is the acceleration
t is the time taken
So according to the question:-
u=0, v=15 , a=3 and we have to find t…
So the equation is written as:-
15 = 0 + (3×t)
=> t = (15 ÷ 3) = 5
Therefore, the time required is 5 seconds..
Determine the time that a paper airplane will fly with an initial velocity of 3.5 m/s
A. 0.36 seconds
B. 2 seconds
C. 3 seconds
D. 0.5 seconds
The time taken for the paper airplane to fly with an initial velocity of 3.5 m/s is 0.36 s (Option A)
Given parameters:Considering the question given, the following data were obtained:
Initial velocity (u) = 3.5 m/sAcceleration due to gravity (g) = 9.8 m/s²Final velocity (v) = 0 m/s (at maximum height)Time (t) =? How do we determine the time?The time can be obtained as follow:
v = u - gt (airplane is going against gravity)
0 = 3.5 - (9.8 × t)
0 = 3.5 - 9.8t
Rearrange
-9.8t = 0 - 3.5
-9.8t = -3.5
Divide both sides by -9.8
t = -3.5 / -9.8
t = 0.36 s
Thus, we can conclude that the time taken for the airplane to fly is 0.36 s (Option A)
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How long would it take a fly to cover a 60 meter space while traveling at a speed of 5.4 m/s?
It would take a fly 11.11 seconds to cover the given distance of 60 meters.
Velocity is a term that describes the speed and direction of a point's motion. The speed at which the point is moving along its path in time is known as the magnitude of the velocity.
Velocity is a vector quantity that cannot be fully described by a number because it has direction in addition to magnitude.
Changes in an object's position are referred to as displacement. Displacement is represented by a vector. This implies that it has both a direction and a magnitude.
Given in the question
Velocity = 5.4 m/s
Distance = 60 meters
Time = Distance/Velocity
Put in the values, we get
Time = 60/5.4 seconds
Time = 11.11 seconds
Therefore, it would take 11.11 seconds for a fly to cover a 60-meter space while traveling at a speed of 5.4 m/s.
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Question 2 (1 point)
An object starts at rest and accelerates to a velocity of 8 m/s in
a period of 4 s. What is the acceleration of the object?
m/s²
Answer:
2m/s²
Explanation:
acceleration it the change in velocity over the time taken
a piston-cylinder apparatus has a 4 kg piston with a diameter of 5 cm resting on a body of water 60 cm high. atmospheric pressure is 101 kpa, and the temperature of the water is 250˚c. what is the mass of water in the container?
The mass of the water in the container is 10,104.00 kg.
A schematic diagram of a piston-cylinder apparatus is shown in the adjoining image.
In the above case, the atmospheric pressure applied by the piston and the weight of the piston should balance the weight of the water inside the container
Hence,
Atmospheric Pressure x Area of Piston + Mass of piston x g = Mass of water x g
101 x 10^3 x pi x (2.5 x 10^-2)^2 + 4 x 10 = Mass of water x 10
Mass of water x 10 = 101,040.001
Mass of Water = 101,040.001/10
Mass of Water = 10,104 kg
Hence, the mass of the water in the container is 10,104.00 kg.
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I need help on this question asap
Answer:
A-to determine how tempreture affects bounce height.
A woman is pulling a trolley with a 27 N force along the 3.0 m aisle, how much work is done in pulling the cart from one end of the aisle to the other?
Answer:
Work done = 81 Nm
Explanation:
To calculate the work done by a force, we can use the following formula:
[tex]\boxed{\mathrm{Work \: done = \: Force \times Distance \: moved \: in \ direction \: of \: force}}[/tex].
In this question, we are told that the woman applies a force of 27 N to pull a trolley 3.0 m along an aisle. Using this information, as well as the formula above, we can calculate the work done:
Work done = 27 N × 3.0 m
= 81 Nm
Therefore, 81 Nm (or 81 Joules) of work was done pulling the cart from one end of the aisle to the other.
.
If you want to determine the amount of water in a swimming pool what are you calculating?
A. Area
B. Volume
C. Distance
Length times width gives the surface area of the pool. Multiplying that by the average depth gives the volume in cubic feet. Since there are 7.5 gallons in each cubic foot, multiply the cubic feet of the pool by 7.5 to arrive at the volume of the pool (expressed in gallons).
Answer:
the answer is volume
Explanation:
if the student then moves backwards and returns to a position marked 20 meters another 7 seconds later, what is the displacement of the student from starting position?
The student returned to starting point hence the displacement is zero.
What is the displacement?The displacement refers to the distance that is covered in a specified direction. The difference between distance and displacement is that displacement is a vector quantity while distance is a scalar quantity.
If displacement is a vector quantity, it then follows that the direction must be taken into consideration when we are talking about the displacement of the body.
Looking at the fact that the student moves backwards and returns to a position marked 20 meters another 7 seconds later, it then follows that the student returned to starting point and that the displacement is zero.
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An airplane is delivering food to a small island. It flies 100 m above the ground at a speed of 170 m/s .
The distance traveled is mathematically given as
D = 766.7 m
What is the distance traveled?The airplane's horizontal velocity was measured to be 170 meters per second.
100 meters is the equivalent of the distance above the earth.
Generally, the equation for distance is mathematically given as
s = u_0t + (1/2) g t2
then, we get
(100 m) = (0.5) (9.8 m/s2) t2
[tex]t = \sqrt{(100 m*4.9 m/s2)}[/tex]
t = √20.4 s2
t = 4.51 sec
we know that,
D = vx t
D= (170 m/s) (4.51 s)
D = 766.7 m
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Assuming constant velocities if a fastball pitch is thrown at 40m/s toward home plate 18m away and the head of the bat is simultaneously traveling toward the ball at 18.0m/s how much time elapses before the bat hits the ball
The time elapse before the bat hits the ball is 0.3 s
Given:
Speed of ball = 40m/s
Speed of bat = 18m/s
Now, let's take the sum of the speed of ball and bat relative to each other.
v = 40 + 18.0 = 58.0 m/s
To calculate the time lapse, use the formula given below.
t = d/v
Here d = 18 m i.e. the initial distance between the ball and the bat
v = 58.0 m/s
After substituting the values we'll get
t = 18/58 = 0.31 s
t = 0.3 s
Hence the time that elapses before the bat hits the ball is 0.3 s.
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Will the velocity of an object change when moving across a surface with NO friction? Explain?
This question is very complicated.
But the short answer is: NoYou see to determine wether an object's velocity changes, we would look at if that object is accelerating or not, that is the literal definition of acceleration.
Newton's second Law of motion suggests that:
[tex]f = ma[/tex]
where f and a are vectors, meaning that a change in direction could mean that the velocity of an object has changed.
If an object is not subjected to friction, it could be subjected to other forces like drag,air resistance,ect... these are called resistive forces.
To make this simpler for you, if you mean that will no friction imply that the speed will minimally change then YES absolutely.
But if you mean that if the object is subjected to no friction (not resistive forces), will that object maintain a constant velocity (speed+direction), probably NOT.
it is raining. the rain falls at 12 m/s at an angle of 30˚ east of the vertical. a person is driving through the rain heading east at 20 m/s. a. as the person glances out of their driver’s side window, what angle does the rain appear to make with the vertical? 53.4˚ w of vertical b. what is the apparent speed of the rain as seen by the driver of the car in that window? 17.43 m/s
Rain falls downward at 6m/s and wind started to flow horizontally. Due to the flow of wind, if the bus driver saw the rain falls vertically downwards.
What is Rain falls?
Rain is made up of water vapor droplets that have condensed from the atmosphere and have fallen due to gravity. Most of the fresh water that falls to the Earth as rain is deposited by rain, which is an important part of the water cycle. It offers irrigation for crops, water for hydroelectric power plants, and favorable environmental conditions for a variety of ecosystems. Moisture traveling along weather fronts, three-dimensional zones of temperature and moisture differences, is the primary driver of rain formation. When convective clouds (those with strong upward vertical motion) like cumulonimbus (thunder clouds), which can condense into narrow rainbands, are sufficiently wet and moving upward, precipitation can form. Where upslope flow is maximum inside windward sides of the topography, considerable precipitation is possible in mountainous places.
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which theory best explains color vision in humans? question 23 options: 1) the trichromatic theory 2) the opponent-process theory 3) both the place theory and the frequency theory 4) both the opponent-process theory and the trichromatic theory
Both the trichromatic and opponent-process theories are valid in explaining colour vision in humans.
What is trichromatic theory?According to the trichromatic theory, our ability to perceive red, green, and blue hues as well as the cones' ability to change the neuronal activity ratio when different colors are present (Like a projection T.V.). The precise hue that we see is therefore determined by the ratio of each color to the others.
This hypothesis was developed as a result of color mixture tests in which it was discovered that a combination of three primary colors could match any hue. In the latter part of the seventeenth century, Newton's studies of light and colors sparked the first scientific interest in color.
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vector a has magnitude 4 m and is directed to the south. vector a has magnitude 3 m and is directed to the east. what are the magnitude and direction of s – e? a. 5 m, southeast b. 1 m, southwest c. 5 m, southwest d. 1 m, southeast
The correct option is (c) 5m southwest.
What are vectors?A quantity or phenomena with independent qualities for both size and direction is called a vector. The word can also refer to a quantity's mathematical or geometrical representation. Velocity, momentum, force, electromagnetic fields, and weight are a few examples of vectors in nature.
the vector S and E is,
S = -4m j
E = -3m i
the vector is
|S - E| = √(-4)² + (-3)²
|S - E| = 5m
Types of Vectors List
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millikan determined the charge on the electron by studying the static charges on oil drops falling in an electric field. a student carried out this experiment using several oil drops fo
1.60×10⁻¹⁹ charge on the electron by studying the static charges on oil drops falling in an electric field
Solving :
Look at the charge differences between the droplets :
A->B: 1.55 x 10⁻¹⁹C
B->C: 1.66 x 10⁻¹⁹C
C->D: 1.501 x 0⁻¹⁹C
The charge difference between the droplets is essentially the same from one droplet to the next. This must mean that there is a one particle difference between each drop (i.e. one additional electron for each drop)
On average, the charge difference is 1.55 x 10⁻¹⁹C, which is very close to the currently accepted value of 1.60 x 10⁻¹⁹C.
What was the aim of Millikan's oil drop experiment?
The Mil likens Oil Drop Experiment was an experiment performed by Robert A. Millikan and Harvey Fletcher in 1909 to live the charge of an electron. This experiment proved to be very crucial within the physics community.
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A bullet is fired horizontally 0.58 meters off the ground. Assuming gravity is 9.8 m/s2, how long (t) was the bullet in the air?
Since the gravity acts on the vertical component of the velocity of the object, the bullet will spend 0.34 s in air.
What is Vertical Motion ?
Vertical motion is also known as motion under gravity. The gravity acts on the vertical component of the velocity of the object.
Given that a bullet is fired horizontally 0.58 meters off the ground. Assuming gravity is 9.8 m/s², the gravity will act on the bullet vertically.
The height h = 0.58 mThe initial velocity u = 0Using the formula h = ut + 1/2gt² we can know how long (t) was the bullet in the air.
Substitute all the parameters into the formula
0.58 = 0 + 1/2 × 9.8 × t²
0.58 = 4.9t²
t² = 0.58/4.9
t² = 0.1184
t = √0.1184
t = 0.34 s
Therefore, the bullet will spend 0.34 s in air.
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a scuba diver makes a slow descent into the depths of the ocean. his vertical position with respect to a boat on the surface changes several times. he makes the first stop 8.0 m from the boat but has a problem with equalizing the pressure, so he ascends 3.0 m and then continues descending for another 10.0 m to the second stop. from there, he ascends 7.0 m and then descends for 14.0 m, ascends again for 6.0 m and descends again for 12.0 m, where he makes a stop, waiting for his buddy. assuming the positive direction up to the surface ( ĵ), express his net vertical displacement vector (in m) in terms of the unit vector ĵ. (express your answer in vector form.)
Net vertical displacement vector (in m) in terms of the unit vector is D=−49 j
D=49
What is displacement vector?
A displacement is a vector in geometry and mechanics that has a length equal to the shortest distance between a point P's initial and final positions.
Therefore,
a scuba diver makes a slow descent into the depths of the ocean. his vertical position with respect to a boat on the surface changes several times. he makes the first stop 8.0 m from the boat but has a problem with equalizing the pressure, so he ascends 3.0 m and then continues descending for another 10.0 m to the second stop. from there, he ascends 7.0 m and then descends for 14.0 m, ascends again for 6.0 m and descends again for 12.0 m, where he makes a stop, waiting for his buddy. assuming the positive direction up to the surface ( ĵ), express his net vertical displacement vector (in m) in terms of the unit vector ĵ. (express your answer in vector form.)
D=−49 j
D=49
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a model sphere of diameter d is to be immersed in a water tunnel running at a speed of v in order to obtain data that can be used to predict the drag force on a weather balloon that is traveling in air at 1.5 m/s. for a model diameter of 50 mm, the measurement of the drag force on the small sphere yields 3.78 n.
The drag force on the prototype balloon is - 405 km/hr .
Given:
2-m- = diameter satellite dish
81-km/hr = Y
0.4-m- = diameter model dish.
Reynolds number is essential for this, thus,
Vm Dm/vm = VD/v
(D is the diameter of the dish)
Vm = (vm/v) (D/Dm) Y
and if vm/v = 1, then
Vm = (2/0.4) (81)
= 405 km/hr
Thus, the correct answer is - 405 km/hr
What is drag force?A mechanical force is drag. It is created when a solid body interacts with and contacts a fluid (liquid or gas). It is not produced by a force field in the sense of a gravitational field or an electromagnetic field, in which two objects can interact without coming into touch with one another.
Take the drag on a ship going through the water or the drag on a plane flying through the air. Consequently, a drag force is the resistance force brought on by a body moving through a fluid like air or water.
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1. How is an electromagnet different from other magnets?
O It can repel other magnets
It has poles
It is powered by electricity
O
O It attracts iron
An electromagnet different from other magnets as it is powered by electricity.
What is electromagnet ?An electromagnet is a type of magnet where an electric current creates the magnetic field. The wire that makes up an electromagnet is typically twisted into a coil. A magnetic field is produced by a current flowing through the wire and is concentrated in the hole, designating the center of the coil.
Electromagnets have a few drawbacks, including the fact that they heat up quickly and waste a lot of electrical energy as a result. The steady magnetic field must be maintained for a continuous power supply.
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2. A small 30-kilogram canoe is floating downriver at a speed
of 2 m/s. What is the canoe's kinetic energy?
a. 32 J
c. 120 J
b. 60 J
d. 900 J
6. a stuntman is launched vertically into the air from a cannon and eventually falls back to the ground, landing in the cannon exactly where he started. he reached a maximum height of 22 meters in 3.4 seconds and fell back to the ground in 7.6 seconds. the average velocity of the stuntman is 0 m/s, and the average speed of the stuntman is.
Answer:
w
Explanation:
Sokol
Two gases are contained in gas bulbs connected by a valve. Gas a is present in a 1 liter bulb at a pressure of 818 torr. Gas b exerts a pressure of 328 torr in a 1 liter bulb. The valve is opened and the two gases come to equilibrium. What is the partial pressure of gas a expressed after equilibrium?.
The partial pressure of gas expressed after equilibrium is 409 torr.
Which gas is used for bulbs?Incandescent light bulbs are usually filled with argon, which is a common gas. It prolongs bulb life by keeping the tungsten filaments from decaying too quickly. Lighting also makes use of other gases like helium, neon, nitrogen, and krypton.Incandescent lights are what gas lamps are. They generate heat by burning fuel like propane, white gas, or kerosene, and the heat drives light production from the mantles. The mantles, which are made of a ceramic mesh, contain the lantern's flame.The first kind of gas employed, argon, is a gas that is typically found in incandescent light bulbs. Nitrogen may occasionally be added to argon gas. Halogen or xenon gas can be found in some light bulbs. Some light bulbs also include krypton gas.What is the partial pressure of gas expressed after equilibrium:
1. Write out the units given.
V1= 1 L
Ptot= 818 torr
PPB= 328 torr
V2= 1L
2. Remember= PaVa= PtotVtot
3. Add together volumes for total volumes.
1 L + 1 L= 2 liters
4. Plug in values and solve for PP of gas A.
PPA= Ptot x VA/Vtot
818 torr x 1/2 L= 409 torr
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Four toy cars are moving at a constant speed until they experience an unbalanced force of 12 n each. which toy car would have an acceleration of 3 m/s2 ? responses the car with a mass of 4 kg the car with a mass of 4 kg the car with a mass of 36 kg the car with a mass of 36 kg the car with a mass of 8 kg the car with a mass of 8 kg the car with a mass of 24 kg
Answer:
4 kg
Explanation:
F = ma
m = f/a = 12 N / 3 m/s^2 = 4 kg
infrared radiation has wavelengths ranging from about 800 nm to 1 mm. what is the frequency of radiation of wavelength 960 nm? answer in units of s−1 .
The frequency of radiation of the given wavelength is 3.125×[tex]10^{14}[/tex] Hz.
What is wavelength ?
Given λ = 960nm
f=c/λ
f= 3×[tex]10^{8}[/tex]/960×[tex]10^{-9}[/tex]
f= 3.125×[tex]10^{14}[/tex]
A waveform signal's wavelength is defined as the separation between two identical points (adjacent crests) in adjacent cycles as the signal travels through space or along a wire. This length in wireless systems is typically expressed in meters (m), centimeters (cm), or millimeters (mm).
The wavelength is the separation between two wave crests, while troughs have the same wavelength. The number of vibrations that pass over a specific place in a second is known as the frequency and is expressed in cycles per second (Hz) (Hertz).
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