Question

A car accelerates uniformly from 15m/s to 20 m/s.What will be its acceleration in 5s ?

Answer 1

A truck accelerates uniformly from 15m/s to 20m/s in 5sec. What is the acceleration of the truck?

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If we take v=u+at and our given values are:

v=final velocity 20m/s

u=initial velocity 15m/s

a=acceleration

t=time 5sec

we plug those into our equation:

20m/s=15m/s+a(5s)

now we just rearrange to solve for acceleration.

(5m/s)/(5s)=a

a=1m/s^2

hope this helps, and any questions please just ask. Thanks!

Answer 2

Answer:

Here, initial velocity, u = 15 m/s

final velocity, v = 20 m/s

time, t = 5 sec

⇒Acceleration, a = (v - u)/t

= (20 - 15)/5

= 5/5

= 1 m/s²

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Explanation: