A motorcycle is being driven at a speed of 20 m/s when brakes are applied to bring it to rest in five seconds. The deceleration produced in this case will be: (a) + 4 m/s2 (b) –4 m/s2 (c) + 0.25 m/s2 (d) –0.25 m/s2.
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pankajhinduja:
Answer is -4m/s²
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Answer:
4m/s^2 deaccelaration
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