A Rock Is Projected Upward from the Surface of the Moon,at

question 3

Multiple Choice

A rock is projected upward from the surface of the Moon,at time t = 0 s,with an upward velocity of 30.0 m/s.The acceleration due to gravity at the surface of the Moon is 1.62 m/s²,and the Moon has no atmosphere.The height of the rock when it is descending with a speed of 20.0 m/s is closest to

• A)115 m.
• B)125 m.
• C)135 m.
• D)145 m.
• E)154 m.

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