A cannonball is launched horizontally from the top of a 128 m cliff and lands 132 m from the base of the cliff.
Determine the original speed (in m/s) of the cannonball.

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

Area around a charged object where the objects can exert a force on another charged objects is an electric