A 10 kg rock is suspended 320 m above the ground calculate the speed in which the rock hits the ground

Light enters a substance from air at 30 degrees to thenormal. It continues through the substance at 23 degrees tothe normal. What would be the critical angle for thissubstance?

Walt ran 5 km in 25 minutes going east to what was his average velocity

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No stars have been found with masses greater than 300 times our sun because

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Nitroglycerin flows through a pipe of diameter 3.0 cm at 2.0 m/s. If the diameter narrows to 0.5 cm, what will the velocity be?

A 10 kg rock is suspended 320 m above the ground calculate the speed in which the rock hits the ground

Whats it called when a force can change the shape of an object?