A net impulse delivered to an object always causes a change in the object's
what? A. Energy B. Momentum C. Speed D. mass

By relativistic energy, the proton speed is 0.024c.

We need to know about relativistic energy to solve this problem. The rest energy of the object can be determined by

Eo = m₀ . c²

where Eo is rest energy, m₀ is rest mass and c is speed of light (3 x 10⁸ m/s).

The total energy of object can be described as

E = Eo / √(1 - v²/c²)

where E is total energy, v is the object speed.

The kinetic energy is

KE = E - Eo

From the question above, we know that :

mp = 1.6 x 10¯²⁷ kg

me = 9.1 x 10¯³¹ kg

c = 3 x 10⁸ m/s

ve = 0.75c

Find the rest energy of electron

Eo = me . c²

Eo = 9.1 x 10¯³¹ . (3 x 10⁸)²

Eo = 8.19 x 10¯¹⁴ joule

Eo = 8.19 x 10¯¹⁴ / (1.6 x 10¯¹⁹) eV

Eo = 511875 eV

Determine the total energy of electron

E = Eo / √(1 - ve²/c²)

E = 511875 / √(1 - (0.75c)²/c²)

E = 511875 / 0.66

E = 773882.26 eV

Calculate the kinetic energy of electron

KE = E - Eo

KE = 773882.26 - 511875

KE = 262007.26 eV

Find the rest energy of proton

Eo = mp . c²

Eo = 1.6 x 10¯²⁷ . (3 x 10⁸)²

Eo = 1.44 x 10¯¹⁰ joule

Eo = 1.44 x 10¯¹⁰ / (1.6 x 10¯¹⁹) eV

Eo = 900000000 eV

Determine the total energy of proton

E = KE + Eo

E = 262007.26 + 900000000

E = 900262007.3 eV

Find the speed of proton

900262007.3 = 900000000 / √(1 - v²/c²)

√(1 - v²/c²) = 0.9997

1 - v²/c² = 0.9994

v²/c² = 1 - 0.9994

v²/c² = 5.82 x 10¯⁴

v² = 5.82 x 10¯⁴ c²

v = 0.024c

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Answer:

whats the question???

Answer:

Hope it helps!

Meander : A curve in a river, Delta: Mouth of the river, Tributary : A stream that flows into a river.

A river or other watercourse's channel may contain several regular, sinuous curves called meanders. It is created when a watercourse deposits sediments on an inner, convex bank, which is often a point bar and erodes the sediments of an outer, concave bank (cut bank). The channel migrates back and forth across the axis of a floodplain as a result of this combined erosion and sedimentation, forming a sinuous flow.

A freshwater stream that flows into a bigger stream or river is called a tributary. The mainstream of a river refers to its parent, or bigger, river. The confluence is the location where a tributary joins the main stem.

Tributaries, often known as effluents, do not enter the ocean directly.

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Answer:

B

Explanation:

Answer:

Explanation:

Force of gravity is equal to mass times g

Fg=150 N

Fg=mg

150=m(9.81)

m=150/9.81 kg

FnetX=20-10=10 N

Fnetx=ma

10=150/9.81(a)

a=0.654 ms^-2

Note acceleration might need significant figures so it a=0.7 ms^-2

For the normal force, if the object isn't moving up or down. Then you can assume it's equal to the gravitational force which is 150 N.

If the object is accelerating up or down. I don't know how you would find normal force because not enough information.

Answer:

c. 43 m/s

Explanation:

Given the following data;

Displacement, S = 90 meters

Time, t = 5.55 seconds

To find the initial velocity;

We would use the second equation of motion given by the formula;

[tex] S = ut + \frac {1}{2}at^{2}[/tex]

Where;

We know that acceleration due to gravity is -9.8m/s² because the direction is downward.

Substituting into the equation, we have;

[tex] 90 = u*5.55 + \frac {1}{2}*(-9.8)*5.55^{2}[/tex]

[tex] 90 = u5.55 - 4.9*30.8025[/tex]

[tex] 90 = u5.55 - 150.93225[/tex]

Rearranging the equation, we have;

[tex] u5.55 = 90 + 150.93225[/tex]

[tex] u5.55 = 240.93225[/tex]

[tex] u = \frac {240.93225}{5.55}[/tex]

Initial velocity, u = 43.41 ≈ 41 m/s

This question would be a piece o' cake, except that we don't know your observations, your data, or your conclusions.

We also don't know the first method, the second method, the accuracy of either method, the displacement method, or what you found out from this investigation.

Otherwise, like I said, this is really no problem.

Answer:

25 Kg

Explanation:

M=F/A

Answer:

The range is 15.15 m and the time in the air is 1.01 s

Explanation:

Horizontal Motion

When an object is thrown horizontally (with angle 0°) with a speed v from a height h, it follows a curved path ruled exclusively by gravity until it eventually hits the ground.

The range or maximum horizontal distance traveled by the object can be calculated as follows:

[tex]\displaystyle d=v\cdot\sqrt{\frac {2h}{g}}[/tex]

To calculate the time the object takes to hit the ground, we use the equation below:

[tex]\displaystyle t=\sqrt{\frac{2h}{g}}[/tex]

The cannon is shot from a height of h=5 m with an initial speed of v=15 m/s. The range is calculated below:

[tex]\displaystyle d=15\cdot\sqrt{\frac {2*5}{9.8}}=15*1.01[/tex]

d = 15.15 m

The time in the air is:

[tex]\displaystyle t=\sqrt{\frac{2*5}{9.8}}[/tex]

t = 1.01 s

The range is 15.15 m and the time in the air is 1.01 s

Answer:

Taking the value of acceleration due to gravity as 9.8 m/s^2, the object fell for about 122.5 metres.

The time taken by the croissant before it strike on the head is 5.4 s

Lets assume the height of the man is 1.3 m

Given height of the Eiffel Tower is 144.3 m

So the distance croissant travel before it hits the man on the head

= 144.3 - 1.3 m

= 143 m

According to the Second Equation of Motion which relates distance with the acceleration and time, we can say that

[tex]S = ut + \frac{1}{2} a t^{2}[/tex]

here u = 0

a = g = 9.81 m/s²

S = 143 m

therefore [tex]S = \frac{1}{2} gt^{2}[/tex]

[tex]t = \sqrt{\frac{2S}{g} }[/tex]

[tex]t = \sqrt{\frac{2 * 143}{9.81} }[/tex]

[tex]t = \sqrt{29.154}[/tex]

t = 5.4 s

Therefore, if the air resistance is neglected the croissant will drop 5.4 s before it tagged the man on his head.

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The given statement is TRUE

Iconic compounds are highly conductive when dissolved in water because the compounds hydrate ions after dissolving them in water.

Ionic compounds are a combination of metals and nonmetals, and as we know, metals are good conductors of electricity.

An ionic compound consists of two oppositely charged ions.

Water, on the other hand, is a polar solvent; the electronegativity difference between oxygen and hydrogen is high, therefore water has a positive H pole and a negative O pole (water is H2O).

And therefore when the ionic compound is dissolved in water, the opposite ions from the compound gets attracted to the poles of water and forms a unique arrangement called hydration, and therefore the iconic compounds are highly conductive when dissolved in water

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Answer:

Explanation:

D

Answer: For those who test is different .. the answer is “ An Iron nail, not near a magnet”

Explanation:

Answer:

condensation, precipitation, evaporation, transpiration

Explanation:

condensation is when gas condenses into liquid, precipitation is when water comes from the sky like in rain, evaporation is when water is converted from liquid to gas, transpiration is when water is evaporated from leaves.

Answer:

can i have the toy car after your done asking questions with it

Explanation:

Answer:

Explanation:

A. Encouragement

The focal length of the mirror, when the object is moved towards it and a virtual image is formed is calculated to be -4u/3.

We know that,

magnification, m =      height of image, v        

                                 height of the object, u

given in the question, m = 4

as the mirror is concave, thus:

v= -4u

Now, by using the mirror formula:

1/(-f) = 1/ v + 1/u    

(as the image formed is virtual, the focal length of the mirror will be negative)

1/(-f) = 1/(-4u) + 1/u

-1/f = 3/4u

f= -4u/3

Concave mirrors create both physical and virtual images. When the concave mirror is put very close to the object, a virtual and enlarged image is generated; as the distance between the item and the mirror increases, the size of the image decreases, and genuine images are formed. These real-world photographs can be displayed on a screen. The concave mirror's focal point and center of curvature are located in front of the mirror.

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Answer:

there yah go that's the answer

The capacitance of two square parallel plates will be 1.777 farads.

The body's capacity to hold electric charge is constrained by capacitance. There is a capacitance for each capacitor. Two metallic sheets of area A, spaced by d, make up the standard parallel-plate capacitor.

The parallel plate capacitor formula is given by:

C = ε Ad

Two square parallel plates 6.7 cm on a side are separated by 1.8 mm of paraffin. The dielectric constant of paraffin is 2.2. Then the capacitance of two square parallel plates will be given as,

C = ε Ad

C = 2.2 x 0.67 x 0.67 x 1.8

C = 1.777 farad

Two parallel square plates will have a capacitance of 1.777 farads.

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These are Some climates

Tropical.

Dry.

Temperate.

Continental.

Polar.

And these are some biomes

aquatic, grassland, forest, desert, and tundra,

The weight as measured on the bathroom scale is the force due to gravity. The correct option is b.

The weight of an object is the force acting on it due to gravity in science and engineering.

Weight is defined as a vector quantity in some standard textbooks, as the gravitational force acting on the object. Others define weight as a scalar quantity, the magnitude of gravity.

This is frequently expressed in the formula W = mg, where W is the weight, m is the object's mass, and g is the gravitational acceleration.

Bathroom scales for home use show your weight on a dial or a digital screen. These scales weigh you in one of two ways: mechanically, with springs, or electronically, with circuits that bend under weight, changing the current flowing through them.

Thus, the correct option is b.

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Explanation:

356 species of diff turtles

Explanation:

de06dyoirad0tsxgoyddyppdy

Answer:

540m/s

Explanation:

Given parameters:

Frequency of the wave = 18000Hz

Wavelength of the wave = 0.03m

Unknown:

How fast is the wave traveling = ?

Solution:

How fast the wave is traveling is a measure of the speed of the wave;

     Speed of wave  = frequency x wavelength

Now insert the given parameters and solve;

   Speed of wave  = 18000 x   0.03  = 540m/s

Answer for the first one is 2. The answer for the 3rd one is 8

Answer:

  90°

Explanation:

The intensity of the transmitted light is proportional to the square of the cosine of the angle between polarizer axes. That cosine is zero when the angle is 90°.

Answer:

nope never

Explanation:

Answer:

never ever they dont

The electric field cannot and must not be of uniform magnitude if the volume is filled with an insulating material carrying charge described by a volume charge density

Consider a gaussian surface in the shape of a rectangular box with two faces perpendicular to the direction of the field. Also, assuming this surface has a volume charge density that fills it up, it would therefore contain some charge. The net flow out of this box is nonzero. The field must be stronger on one side than the other. The field's magnitude cannot be uniform. Because the field’s magnitude cannot be uniform, therefore it is also impossible for it to be mandatorily uniform. A uniform magnitude thus defies gaussian postulate.

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Answer:

A. the time of fire is 15 seconds, and the angle of fire is approximately 23.794° above the horizontal

B. The angle of fire is increased to approximately 35.4126° above the horizontal

Explanation:

A. The height of the bridge, h = 70 m

The speed with of the shell, v₀ = 100 m/s

The location of the speedboat = 3000 m

The direction of the speedboat = 26 m/s

The acceleration of the speedboat, a = 11 m/s²

Let t represent the time of firing the shells, and let x represent the distance of the speedboat from the bridge, and let θ, represent the angle to fire with, we have;

For the speedboat, t = x/(100 × cos(θ))

We note that the time the shell can travel the 3,000 m = 30 seconds

Therefore an adequate time to fire is, t = 15 seconds

The distance the speedboat covers in 15 seconds is given as follows;

s = u·t + 1/2·a·t²

s = 26 × 15 + 1/2 × 11 × 15² = 1627.5 m

At the point the speedboat had traveled 1,627.5 m, the distance of the speedboat, x is then 3000 - 1,627.5 = 1,372.5 m from the bridge, the angle of fire is given from the following formula;

t = x/(100 × cos(θ))

15 = 1,372.5/(100 × cos(θ))

cos(θ) = 1,372.5/(15 × 100) = 0.915

θ = cos⁻¹(0.915) ≈ 23.794°

The angle of fire, θ ≈ 23.794° above the horizontal in the direction of the speedboat

B. Given that a 10 m/s wind is blowing towards East, we have;

The horizontal velocity towards East = 10 + v₀ × cos(θ)

The angle of firing is therefore, given as follows;

15 = 1,3725.5/(10 + 100 × cos(θ))

(10 + 100 × cos(θ)) = 1,3725.5/15

100 × cos(θ) = 1,372.5/15 - 10

cos(θ) = (1,372.5/15 - 10)/100 = 0.815

θ = cos⁻¹(0.815) ≈ 35.4126°

Therefore, the angle of fire, θ, will be increased to approximately 35.4126° above the horizontal in the remote controlled speedboat direction.