andeevegaming andeevegaming

18-09-2022
Physics

Answered

Question 1. A rock is dropped (initial velocity zero) from the edge of a 211 meter tall cliff. How much time should it take for the rock to hit the ground? (gravity = 9.80 m/s/s)

Question 2. A ball on Planet X is dropped (starting from rest) 138 meters and hits the ground in 5.64 seconds, what is the acceleration of Planet X's gravity?/

Question 3. A ball thrown downward at 4.2 m/s, what is the balls speed 2.7 seconds after it leaves the person's hand? (g=9.80 m/s/s)

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