Physics
Physics, 13.08.2020 02:01, Mattisback2285

The following situation will be used for the next three problems: A rock is projected upward from the surface of the moon, at time t = -0.0s, with a velocity of 30m/s. The acceleration due to gravity at the surface of the moon is 1.62m/s2 the time when the rock is ascending at a height of 180m is closest to:. a. 8s .
b. 12s.
c. 17s.
d. 23s.
e. 30s
For the previous situation, the height of the rock when it is descending with a velocity of 20m/s is closest to:.
A. 115m.
B. 125m.
C. 135m.
D. 145m
E. 155m.

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The following situation will be used for the next three problems: A rock is projected upward from th...

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