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A car starts moving rectilinearly ( init...

A car starts moving rectilinearly ( initial velocity zero) first with an acceleration of `5 ms^(-2)` then uniformly and finally decelerating at the same rate till it stops. Total time of journey is 25 s and average velocity during the journey is 72 km/h.
Car travels with uniform speed for time

A

1.5 s

B

7.5 s

C

20 s

D

15 s

Text Solution

Verified by Experts

The correct Answer is:
D
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