A rock is dropped straight down from roof. It hits the ground with a velocity of 28.2 m/sec. How high was the roof, and how long did it take to hit the ground?

Carbon-14 is a radioactive element that undergoes beta decay. which force is responsible for allowing carbon-14 to become stable? electromagnetic gravitational weak nuclear strong nuclear

In physics the desire of an object to keep doing what it is doing is termed?

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse