Question

a car staring from rest and at in a velocity 25m/s in 5 second. What is the acceleration of the body
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Answer 1

Explanation:

A car starting from rest attains a velocity of 25m/s in 5 seconds. What is its acceleration? What is the distance traveled during this time?

Let's consider the average velocity of the car during this time interval.

S = ½(v + u)t.

S = ½(25 + 0)5

S = ½(125)

S = 62.5m..

To determine the acceleration, let's consider the formula:

V = u + at.

25 = 0 + 5t.

a = 5ms-²..

Or

S = ut + ½at².

S = ½at².

62.5 = ½ × a × 5²

62.5 = 12.5a.

a = 5ms-².

Answer 2

Answer:

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