A ramp is 18 m long and 4.5 m high. a) What force is required to slide a 25 kg box up the ramp at a constant velocity

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

Arope has one end tied to a vertical support. you hold the other end so that the rope is horizontal. if you move the end of the rope back and forth with a frequency of 4 hz, the transverse wave you produce has a wavelength of 0.5 m. what is the speed of the wave in the rope?

Explain how a step-down transformer makes electricity safe for use in homes