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Inside a starship at rest on the earth, a ball rolls off the top of a horizontal table and lands a distance D from the foot of the table. This starship now lands on the unexplored Planet X. The commander, Captain Curious, rolls the same ball off the same table with the same initial speed as on earth and finds that it lands a distance 2.51
D from the foot of the table.

You may want to review (Pages 75 - 82).

For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Different initial and final heights.

What is the acceleration due to gravity on Planet X?

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