Question

Which of the following statements is true about "speed" and "acceleration"?
(A) When an object has acceleration, its velocity may increase or decrease gradually
(B) When the acceleration of the object is zero, its velocity is also zero
(C) The direction of object velocity is not necessarily the same as that of acceleration
(D) When the object is vertically thrown up to the highest point, the speed and acceleration are zero
(E) When the object is free falling, the displacement and acceleration direction are the same.

Answer 1

Explanation:

A and D are correct

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