Work-Energy Exercise

Question 1: Calculate the gravitational potential energy of a 2000-kg boulder raised 7 m above ground level.
State your assumption about g.

Question 2: Calculate the kinetic energy of a 2-kg book tossed across the room at a speed of 4 m/s.
Question 3: Calculate the kinetic energy of a 1000-kg car moving at 20 m/s.
Question 4: Calculate the work done when a 2-kg block of ice is moved from rest to a speed of 5 m /s.

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Date of last modification: 2022