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The velocity of car changes from 40 m/s ...

The velocity of car changes from 40 m/s to 10 m/s in 10 s. The acceleration produced in it is

A

`3 m//s^2`

B

`–3 m//s^2`

C

`5 m//s^2`

D

`-5 m//s^2`

Text Solution

Verified by Experts

The correct Answer is:
B
`a = (v - u)/(t) = (10 - 40)/10 = (-30)/(10) = -3`
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