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lorasvet [3.4K]
3 years ago
5

Ispressureandelectricchargea vectorquantity? Explain.​

Physics
1 answer:
skelet666 [1.2K]3 years ago
3 0

Answer:

no

Explanation:

because nothing is vector if they don't have both magnitude and direction.ofcourse pressur has magnitude but it doesn't have direction.and also electric charge dosn't have direction.

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A stone is thrown horizontally from the top of a tower at the same instant a ball is droppedvertically. Which object is travelin
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The ball is travelling faster when the two objects hits the level ground below.

<h3>Time of motion of the objects</h3>

The time of motion of the objects depends on height and initial velocity of projection of the objects.

The stone has no initial vertical velocity while the ball has initial vertical velocity.

Thus, the ball is travelling faster when the two objects hits the level ground below.

Learn more about time of motion here: brainly.com/question/2364404

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energy can exist in many different forms

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3 years ago
The horizontal force exerted between the tires of a 500kg car and the ground is 980N. if the car starts from rest, how far will
Maksim231197 [3]

Answer:

Explanation:

d = ½at²

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6 0
2 years ago
A train moves from rest to a speed of 25 m/s in 30.0 seconds. What is the acceleration?
fredd [130]

Answer:

a = 0.83\ m/s^2

Explanation:

<u>Uniform Acceleration </u>

When an object changes its velocity at the same rate, the acceleration is constant.

The relation between the initial and final speeds is:

v_f=v_o+a.t

Where:

vf  = Final speed

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a   = Constant acceleration

t   = Elapsed time

It's known a train moves from rest (vo=0) to a speed of vf=25 m/s in t=30 seconds. It's required to calculate the acceleration.

Solving for a:

\displaystyle a=\frac{v_f-v_o}{t}

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\boxed{a = 0.83\ m/s^2}

4 0
2 years ago
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