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A car is moving on a straight road. The ...

A car is moving on a straight road. The velocity of the car varies with time as shown in the figure. Initially (at t=0), the car was at `x=0`, where, x is the position of the car at any time 't'.

The variation of acceleration (a) with time (t) will be best represented by :-

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
D
Positive slopes have positive acceleration, negative slopes have negative acceleration.
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Knowledge Check

  • A car is moving on a straight road. The velocity of the car varies with time as shown in the figure. Initially (at t=0), the car was at x=0 , where, x is the position of the car at any time 't'. The maximum displacement from the starting position will be :-

    A
    200 m
    B
    250 m
    C
    160 m
    D
    165 m

  • A car is moving on a straight road. The velocity of the car varies with time as shown in the figure. Initially (at t=0), the car was at x=0 , where, x is the position of the car at any time 't'. Average speed from t=0 to t=70 s will be :-

    A
    `16/7 m//s`
    B
    `24/7 m//s`
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    `20/7 m//s`
    D
    zero

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