a parking lot going to be 50 m wide and 150 long. wich dimensions could be used for a scale model of a lot

Change in the starting time of the robots for the race will allow the slower robot to win the race.

Robots are any autonomously run machines that eliminate the need for human labour, even if they may not look like humans or carry out tasks in a way that is humanlike. Robotics, then, is the branch of engineering that deals with the creation, maintenance, and use of robots.

Although the idea of synthetic people predates written history, the term "robot" is derived from the Czech word "robota," which means "forced labour" or "serf," and was used in Karel apek's play R.U.R. (1920).

Runaround, a work of science fiction by Isaac Asimov, introduced the word robotics (1942). It established a new level of plausibility regarding the possible difficulty of creating sentient robots and the potential technological and societal issues that might arise, along with Asimov's other robot stories.

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Answer:

See below

Explanation:

momentum = m * v

so

momentum / v = m   =   32 000 kg m/s / 20 m/s = 1600 kg

The work done by polytropic process is -69.88 kJ.

The work for the polytropic process is determined using  

P . v^n = constant.

where P is pressure, V is specific volume

As we know that

W = m∫Pdv

W = m(P2v2 - P1v1) / (1 - n)

In order to evaluate this expression, we need to determine the specific volumes and the polytropic exponent, n.

State 1: v1 = vg1 = 0.0993 m3/kg

State 2: at 12 bar, 80oC; v2 = 0.02051 m3/kg

Hence by using polytropic exponent

P1 / P2 = (v2 / v1)^n

n = ln(2/12) / ln(0.02051/0.0993)

n = 1.136

Find the work done

W = m(P2v2 - P1v1) / (1 - n)

W = 2kg(12bar . 0.02051m³/kg - 2 . 0.0993) / (1 - 1.136) x (10⁵ N/m²/1 bar) x (1 kJ / 10³ Nm)

W = -69.88 kJ

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The four elements that make up approximately 96% of living matter are Carbon, Hydrogen, Oxygen, and Nitrogen.

There are approximately 92 naturally occurring elements and most of them occur in living cells.

Of these approximately 20-25% are essential to life.

A pie chart is shown in the adjoining image, which depicts the composition of the elements present inside the living cells.

It is visible from the pie chart that the majority (almost 96-98%) is of 4 elements i.e, carbon, hydrogen, oxygen, nitrogen and the remaining is of calcium and phosphorus.

Thus, the four elements that make up approximately 96% of living matter are Carbon, Hydrogen, Oxygen, and Nitrogen.

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Answer:

Banana/Carbohydrate Amount - 27 g

Explanation:

Egg/Carbohydrate Amount - 0.6 g

Banana/Carbohydrate Amount - 27 g

Steak/Carbohydrate Amount - 0 g

Butter/Carbohydrate Amount- 0 g

Atoms of the pair P and Cl will form covalent bonds in the compound. The correct option is (D)

Covalent bonds are formed between two non-metals. Of the given options the only option that has two non metals is P ( Phosphorous ) and Cl ( Chlorine ). Therefore they will form a covalent bond in a compound.

Chlorine is a halogen. It belongs to group 17 of the periodic table. Phosphorous is a p-block element which belongs to group 15. Group 15 is also called as nitrogen family.

Therefore, the atoms of the pair P and Cl will form covalent bonds in the compound. The correct option is (D)

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Answer:

Charging a phone is the exact opposite of discharging a battery's energy. By supplying current (the manipulated variable), a charger transfers lithium ions from the positive electrode to the negative electrode, thus restoring energy

Explanation:

Answer:

It is not possible to change direction twice, given constant acceleration. To convince yourself, imagine any general v−t graph - it would be straight line in case of constant acceleration. Change in direction corresponds to v going from positive to negative or vice versa.Explanation:

Answer:It is not possible to change direction twice, given constant acceleration. 

Explanation:To convince yourself, imagine any general v−t graph - it would be straight line in case of constant acceleration. Change in direction corresponds to v going from positive to negative or vice versa.

Mass of the particle m=1.48 g=1.48×10−3 kgm=1.48 g=1.48×10−3 kg

Electric field E=670 N/CE=670 N/C directed downwards.

The electric force must act as opposite to the weight of the particle

we know,

qE= mg x qE = mg

q = mgEq= mgE

q= 1.48×10−3  kg × 9.8 m/s 2670 N/C

therefore; q=2.16×10−5 Cq= 2.16×10−5 C

As the force is upwards and an electric field is downwards it means the charge on the particle is negative.

q=−2.16 × 10−5 Cq= −2.16 × 10−5 C

In the second case for a proton

qE= mgqE= mg

E= mgqE= mgq

E= 1.67×10−27 kg × 9.8 m/s21.6×10−19 C

E= 1.023×10−7 N/C

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If we apply same force  to both-an apple or a couch, the object which will accelerate less is couch.

What is acceleration?

Acceleration is the term used to describe the pace at which speed and direction of velocity vary over time. Something is said to be accelerating when it starts to move faster or slower. Even when the speed is constant, motion on a circle accelerates because the direction is always keeps shifting. Both impacts cause all other motions to speed up.

The couch will accelerate less because

F = m a

where, F = force, m = mass, a = acceleration.

This equation can also be written as

a = F/m

It tells us that the acceleration is inversely proportional to mass.

so, in the question given the mass of couch will greater as compared to an apple so the acceleration of the couch will be lesser as compared to apple.

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The First Law of Motion of Newton states that an item at rest or in motion will tend to stay at rest or in motion until acted upon by an external force. This means that anybody not wearing a seatbelt will continue to move forward in the initial direction of motion.

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Yes, the given statement is true.

Defense mechanisms are normal. they help defend and help the ego avoid dealing directly with sexual or aggressive urges and the anxiety they produce.

In psychoanalytic theory, defense mechanisms are definite psychological strategies that people use to get over difficult feelings, emotions, or thoughts.

It refers to a series of mental abilities that enables the mind to cope with conflicts, and compromises and also strive for their solutions.

Moreover, these mechanisms also protect people from unpleasant and anxious feelings.

To put it simply, defense mechanisms are normal subconscious methods or ways to deal with unexpected feelings, thoughts, or inner conflicts.

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The speed of the ball just before it strikes the ground is 46.4 m/s

Motion under gravity is also known as vertical motion. The gravity act only on the vertical component of the velocity.

Given that a ball is thrown horizontally from the top of a building 110 m high. The ball strikes the ground 74 m horizontally from the point of release.

The time taken for the ball will be

h = ut + 1/2gt²

but u = 0

110 = 1/2 × 9.8 × t²

110 = 4.9t²

t² = 110 / 4.9

t² = 22.45

t = √22.45

t = 4.74 s

The speed of the ball just before it strikes the ground will be

v² = u² + 2gH

v² = 0 + 2 × 9.8 × 110

v² = 2156

v = √2156

v = 46.4 m/s

Therefore, the speed of the ball just before it strikes the ground is 46.4 m/s

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Answer:

4 LE DIOXYDE  DE CARBONE

Explanation:

The actual diameter of the cell would be 0.1 mm.

We are given that, the magnification due to the ocular lens is 10x and the magnification due to the objective lens is 40x.

Therefore, the total magnification of the whole setup will be 400x.

This means that an object with a diameter of x m will have a magnified diameter of 400x.

In the above situation, the magnified cell has a diameter of 40 mm.

When the actual diameter is x, the magnified diameter is 400x.

Hence 400x = 40 mm

x = 40 mm/400

x = 0.1 mm

Hence, the actual diameter of the cell would be 0.1 mm.

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The actual diameter of the cell would be 0.1 mm.

We are given that, the magnification due to the ocular lens is 10x and the magnification due to the objective lens is 40x.

Therefore, the total magnification of the whole setup will be 400x.

This means that an object with a diameter of x m will have a magnified diameter of 400x.

In the above situation, the magnified cell has a diameter of 40 mm.

When the actual diameter is x, the magnified diameter is 400x.

Hence 400x = 40 mm

x = 40 mm/400

x = 0.1 mm

Hence, the actual diameter of the cell would be 0.1 mm.

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Let's take into account the volt-volt potential difference between the plates and a capacitance capacitor.

C farad, we can raise the fee

q1 to q1+dq1

between the positive and negative plates.

the instantaneous potential difference will be

V1 = q1C

The finished work will be d

W = V1dq1

The capacitor's total charging effort from the uncharged state to the finished state q will now be

W =∫q0q1Cdq1

=1C[q122]

q0=1C[q22−0]

=12q2C

We are aware that the entire quantity of work done is defined by potential energy.

The potential energy will be

U=W=12q2C

As a result, the capacitor's energy is

U=12q2C.

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The speed of a projectile when it reaches its maximum height is one-half its speed when it is at half its maximum height. The initial angle of the projectile is 67.8°.

The motion from zero to maximum height is :

Vyi = √2gh

Now the motion from zero to half of the maximum height is :

Vyh = √gh

At maximum height, the speed is Vx = √Vx^2+Vyh^2/2

Vx =√Vx^2+gh/2

by simplifying,

Vx = √gh/3

To find the angle of projection

∅ = tan^-1(Vyi/Vx) = √2gh/√gh/3

∅ = 67.8°

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Answer:in this situation we have during the two tiny spheres of masks, 5.8 mg carry Charges of equal magnitude 30 77 Nano column but opposite in sign They are tied to the same ceiling hook by light in spring of 2.53 m. It is known that when they original uniform electric village applied that is directed to the left. The angle between the springs is 58°. Then we have to find the value of E. So given that the mass M is 5.8 mg, that is 5.8 into 10 to the power -3 g. And This is five and we have the charge that is Q. Is 77 and a column. So this is 77 into 10 to the power -9 columns. The length of the string is 0.53 m. And the angle between the spring.

The velocity is v = 3,240,266,666 m/s

The question here is about the initial velocity.

If so, the following working equation should be applied:

x = vt + 0.5at²

where

x is the distance

v is the velocity

t is the time

a is the acceleration

The acceleration due to gravity is 1.1g or 1.1(9.81 m/s²) = 10.791 m/s².

There are approximately 3.154×10⁷ seconds in a year.

4.1×10¹⁶ m = v(2/3 yr * 3.154×10⁷ s/yr) + 0.5(10.791m/s²)(2/3 yr * 3.154×10⁷ s/yr)²

Solving for v,

v = 3,240,266,666 m/s

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Answer:

Universal law is the set of natural, non-man-made, and immutable conditions that determine how reality and consequence operate within the realm that humans exist in.

Explanation:

Answer:

the answer to this question is false because a airplane wouldve survive in space

Answer:

The volume of water displaced by the boat is equal to the volume occupied by the part of the boat that is below the surfaces of the water. Once the volume of displaced water is greater than the total volume of the boat, it means that the top of the boat will no longer be above the water and the boat will sink.

Explanation:

I did my best on this question. I hope this helps!

The current, voltages, resistances of the circuits in problem 1, 2, and 3 are given by Ohm's law as follows;

Questions 1—3 In Problems

Ohm's law states that the current, I in a circuit or between two points in a circuit is proportional to the voltage, V, across the circuit or the part of the circuit.

Mathematically, V = I × R

Where;

R = The circuit resistance to current

1. The current in the hair dryer draws from the circuit = 10–A

The voltage of the circuit to which the hair dryer is connected = 120–V

From Ohm's law, we have;

V = I•R

R = V/I

I = 10 A

V = 120 V

Therefore;

R = 120 V/(10 A) = 12 Ohms

2. The battery resistance = 2 Ohms

The voltage of the battery = 1.5–V

The current in the circuit is therefore found as follows;

R = 2 Ohm

V = 1.5 V

The current, I = V/R

Therefore;

I = (1.5 V)/(2 Ohms) = 0.75 A

3. The current supplies by the battery, I = 0.25 A

The battery resistance, R = 48 Ohm

The voltage of the battery, V = I × R

Therefore;

V = 0.25 A × 48 Ohm = 12 V

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We know that water is denser than air or a piece of paper is denser than rock.

How do we determine density?

Density is determined by measuring it’s mass and then dividing it by it’s volume.  

Let us take a solid cube of aluminium.

(i) The readings to be taken are the mass of aluminium and volume of aluminium.

(ii) Instruments used are :

(iii) We will check the mass of the aluminium cube by simply putting it on the weighing machine. Now we will check the volume by putting that cube into the water. The initial level was x. The water level rises to y after putting the cube into it. To know the volume, we will simply subtract y-x. Hence, we know the volume.

To know the density, divide mass by volume. (Mass / volume)

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A pebble off a cliff to hit the ground below t = 0.128 sec.

Given,

distance = 18m

velocity = 2.3m /s

time = ?

To find the time in given data,

Use formula,

velocity = distance / time

Putting the value in formula,

We get,

2.3 m/s = 18 m / t

t = 2.3 m/s / 18 m

t = 0.128 sec

The vector quantity velocity (v), denoted by the equation v = s/t, measures displacement (or change in position, s), over change in time (t). Speed (or rate, r) is a scalar quantity, denoted by the equation r = d/t, that measures the distance traveled (d) over the change in time (t).

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The electric force or the tension in the string holding the charges together is most nearly to: 1.94 newtons

To solve this exercise the electric force formula and the procedure we will use is:

F = (k * q1 * q2)/r²

Where:

Information about the problem:

By converting the the values of the charges (q1) and (q2) from (μC) to (C) we have that:

q1= 2.4 μc * 1×10−6C/ 1 μC

q1= 2.4*10^ -6 C

q2= 3.6 μc * 1×10−6C/ 1 μC

q2= 3.6*10^ -6 C

By converting the the separation distance of the charges from (cm) to (m) we have:

r = 20 cm * 1 m/100 cm

r= 0.20 m

Applying the electric force formula we have:

F = (k * q1 * q2)/r²

F = [(9 *10^9 N*m²/C² * (2.4*10^ -6 C) * (3.6*10^ -6 C)]/ (0.20 m)²

F = 0.07776 N*m² /0.04 m²

F = 1.94 N

In physics the electric force is the force that attracts or repels two charges (q) separated at a distance called (r), this is expressed in the international system of units in Newton.

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By using uniform motion, the high up the slope will it strike is 730.62 m.

We need to know about 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

θ = 70⁰

vi = 200 m/s

x = 300 m

Find the initial velocity in x and y axis

vx = vi cosθ = 68.40 m/s

vy = vi sinθ = 187.94 m/s

Find the time taken to reach 300 m

vx = x / t

68.4 = 300 / t

t = 4.39 second

Find the time taken to reach maximum height

vt = vo + a . t

0 = vy - g . t

vy = gt

187.94 = 9.8 . t

t = 19.18 second

The motion of projectile is raising to maximum height, hence

s = vo . t + 1/2 . a . t²

h = vy . t - 1/2 . g . t²

h = 187.94 . 4.39 - 1/2 . 9.8 . 4.39²

h = 730.62 m

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The probability is 0.006

                          [tex]\begin{aligned}\\\\P &= 0.6\times0.6\times0.6\times0.6\times0.6\times 0.6\times0.6\times0.6\times0.6\times0.6\\\\&= 0.0060466\\\\&\approx0.006\end{aligned}[/tex]

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