If the 50-kg box is lifted 0.4 m with an 8 m/s2 acceleration, what would be the work done?

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot

The total amount of energy contained in an object