Physics
A man standing on a edge of a cliff throws a stone vertically upwards with a certain speed. He then throws another stone downwards with the same speed. Find the ratio of the speeds of the two stones when they hit the ground.

0.044444444444444
Cannot be found from the given information.
0.042361111111111
0.043055555555556

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Physics
The velocity of sound in air

Decreases with decrease of temperature
Decreases with increase of temperature
Does not depend on temperature
Increases with decrease of temperature

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