Question: At t = 1.0 s, a 0.55-kg object is falling with a speed of 6.5 m/s. At t = 2.0 s, it has a kinetic

At t = 1.0 s, a 0.55-kg object is falling with a speed of 6.5 m/s. At t = 2.0 s, it has a kinetic energy of 38 J.
(a) What is the kinetic energy of the object at t = 1.0 s?
(b) What is the speed of the object at t = 2.0 s?
(c) How much work was done on the object between t = 1.0 s and t = 2.0 s?

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