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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

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

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

    A
    `5 ms^(-2)`
    B
    `10 ms^(-2)`
    C
    `2.5 ms^(-2)`
    D
    Zero

  • A car moving with a speed of 25 ms^(-1) takes a U-turn in 5 seconds, without changing its speed. The average acceleration during these 5 seconds is

    A
    `5ms^(-2)`
    B
    `10 ms^(-2)`
    C
    `2.5 ms^(-2)`
    D
    `7.5 ms^(-2)`

  • A car is moving in east direction. It takes a right turn and moves along south direction without change in its speed. What is the direction of average acceleration of the car?

    A
    North east
    B
    South east
    C
    North west
    D
    South west

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