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A vehicle moves for 10 minutes at 20 "ms...

A vehicle moves for 10 minutes at `20 "ms"^(-1)` due north and stops for five minutes. Then at continues due north at `40ms^(-1)` for 20 minutes. Average velocity in the entire journey.

A

`2.857 "ms"^(-1)`

B

`285.7 "ms"^(-1)`

C

`28.57 "ms"^(-1)`

D

`2857 "ms"^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-MOTION IN A STRAIGHT LINE -PRACTICE EXERCISE
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