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When You Throw a Pebble Straight Up with Initial Speed $\sqrt { 2 }$

Question 63

Multiple Choice

When you throw a pebble straight up with initial speed V, it reaches a maximum height H with no air resistance. At what speed should you throw it up vertically so it will go twice as high?

A) 16V
B) 8V
C) 4V
D) 2V
E) $\sqrt { 2 }$ V

When You Throw a Pebble Straight Up with Initial Speed 2\sqrt { 2 }2​

Multiple Choice

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When You Throw a Pebble Straight Up with Initial Speed $\sqrt { 2 }$

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