At t=1.0st=1.0s, a 0.42 kgkg object is falling with a speed of 6.5 m/sm/s. At t=2.0st=2.0s,...

Question

Question

At t=1.0st=1.0s, a 0.42 kgkg object is falling with a speed of 6.5 m/sm/s. At t=2.0st=2.0s, it has a kinetic energy of 38 J

What is the kinetic energy of the object at t=1.0st=1.0s?

Express your answer using two significant figures.

What is the speed of the object at t=2.0st=2.0s?

Express your answer using two significant figures.

Answer 1

Answer #1

Answer 2

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