The velocity time graph of a body is shown in Figure. It implies that at point $B$ :-
The velocity time graph of a body is shown in Figure. It implies that at point $B$ :-
- A
The force is zero
- B
There is a force towards motion
- C
There is a force which opposes motion
- D
None of the above
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What is retardation ?
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A body $A$ starts from rest with an acceleration $a_1$ . After $2\ seconds$ , another body $B$ starts from rest with an acceleration $a_2$ . If they travel equal distance in the $5th\ second$ , after the start of $A$ , then the ratio $a_1$ : $a_2$ is equal to
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