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An astronaut holds a rock 100 m above the surface of Planet X. The rock is then 15 m/s 100 m

An astronaut holds a rock 100 m above the surface of Planet X. The rock is then

15 m/s 100 m

thrown upward with a speed of 15 m/s, as shown in the figure. The rock reaches the ground 10 s after it is thrown. The a

(i) Determine the acceleration due to gravity of the rock when it is on Planet X. ii. How does the speed of the rock whe

15 m/s 100 m

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