Which measurement or measurements seem primarily responsible for the discrepancy between the theoretical and experimental accelerations? why?

How much work is done lifting a 9.10 kg box straight up onto a shelf that is 1.80 m high?

Ashot putter releases the shot some distance above the level ground with a velocity of 12.0 m/s, 51.0 ∘above the horizontal. the shot hits the ground 2.08 s later. you can ignore air resistance. how far did she throw the shot?

The diagram shows a wave. the quantity shown is the amplitude. this quantity is directly proportional to which of these other quantities? a) energy b) frequency c) period d) wavelength