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Question and Answer

The velocity of a particle is zero at t=0
(A) The accelerationat t=0 must be zero
(B) the acceleration at t=0 maybet zero
(C) If the acceleratin is zero from t=0 to t=10 s, the speed is also zero in this interval.
(D) If the speed is zer4o from t=0 to t=10 s the acceleration is zero in this interval.

Answer

Answer: B、C、D
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