Ignoring air resistance, the velocity of an object, v, in meters per second can be found after the object has fallen h meters by using the formula v=−19.6h. Find the velocity of a rock that has fallen 21 meters after being dropped from a cliff.

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06-12-2022
Physics

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Ignoring air resistance, the velocity of an object, v, in meters per second can be found after the object has fallen h meters by using the formula v=−19.6h. Find the velocity of a rock that has fallen 21 meters after being dropped from a cliff.

Sagot :

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