A car moving with a speed of 30ms^(-1) t...

A car moving with a speed of `30ms^(-1)` takes a U-turn in 6 seconds, without changing its speed. What is the average acceleration during these 6 seconds?

A

`5ms^(-2)`

B

`10ms^(-2)`

C

`2.5ms^(-2)`

D

zero

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The correct Answer is:

B

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