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

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.