problem 1: A heavy object is dropped. When this object reaches a speed of 3.2 m/s as it hits the floor, from what height was it dropped?
problem 2: A heavy object is dropped from a vertical height of 8.0 m above the ground. Determine the speed of this object as it hits the ground?
problem 3: A heavy object is dropped from the top of a building. When this object hits the ground with a speed of 37.0m/s, how tall was the building?
problem 4: A heavy object is thrown vertically down from the top of a 1.3 x 10^{2} m building at a speed of 11.0 m/s. Determine the velocity as it hits the ground?
problem 5: A roller coaster car begins from rest at the top of a 12.0 m high hill. Determine the speed of the coaster when it is 4.0 m above the ground if the track is frictionless?
problem 6: An archer applies an average horizontal force of 12 N on his bowarrow system in pulling the string 0.30 m. If the arrow has a mass of 0.45 kg, detremine its speed at the target 5.0m away?