Please explain A 50-kg person is in an elevator. Determine the normal force exerted on the person by the elevator, if the elevator is accelerating downwards at 5 m/s^2.

Astone is thrown into a pond. what happens to the amplitude of the resulting waves as they get farther from the point where the stone hit the water? explain.

The two required components for a generator are

14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is