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An object is thrown upward with an initial velocity of 32.1 m/s. When the object reaches...

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Physics

An object is thrown upward with an initial velocity of 32.1 m/s.When the object reaches it maximum height, it is true of theacceleration, a, and the velocity, v, that:

both its acceleration and velocity are zero

both its acceleration and velocity change sign

velocity is equal to zero, but acceleration is not

acceleration is equal to zero, but velocity is not

None of the above.

Please help. Only one answer is true. Please give reasonwhy.

Answer & Explanation Solved by verified expert
4.4 Ratings (1033 Votes)
ANSWER Option 3 Velocity is equal to zero butacceleration is notGiven that the object is thrown upwards so there is nohorizontal velocity only vertical velocityVertical    See Answer
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