1. A car is traveling with a kinetic energy of 896000 J and has a mass of 1120 kg. The car has a velocity of ________m/s. 2. You just arrived at the airport and is dragging your suitcase to the luggage check-in desk. You pull on the strap with a force of 150 N at an angle of 60.0 to the horizontal to displace it 45 m to the desk. Determine your work done on the suitcase. 3. A 3.0-kg ball was dropped from a certain height and the kinetic energy before its impact on the ground was 600 J. Find the height where the ball was originally dropped. 4. A wooden block is sitting on a platform 20 m high has a potential energy of 1580 J. The block has a mass of _________kg. 5. Two objects were lifted by a machine. One object had a mass of 2 kilograms, and was lifted at a speed of 3 m/sec. The other had a mass of 4 kilograms and was lifted at a rate of 2 m/sec. Which object had more potential energy when it was lifted to a distance of 10 meters? 6. What is the mass of an object that creates 33,750J of energy by traveling at 30.0 m/s? 7. Pepe exerted a work of 5400 J by pulling on a rope to drag his backpack at an angle of 45 degrees above the horizontal a distance of 129 meters. Determine the force that he exerted on by pulling the backpack. 8. A roller coaster is at the top of a 72 m hill and weighs 966 N. The coaster moves down the hill and reaches the ground. What is the velocity of the coaster on the ground? 9. Berta, the former platform diver for a Circus had a kinetic energy of 15,000-J just prior to hitting the bucket of water. If Berta's mass is 50.0kg, the what was her velocity? 10. You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30.0 m/s. The ball has _____________energy. 11. What is the velocity of a 500-kg elevator that has 4000-J of energy? 12. A baseball player does 1234 Joules of work when hitting a baseball into field with an angle of 11 degrees with respect to the horizontal. The baseball reached 134 meters away. Calculate the force used to hit the ball. 13. Two objects were lifted by a machine. One object had a mass of 2 kilograms, and was lifted at a speed of 3 m/sec. The other had a mass of 4 kilograms and was lifted at a rate of 2 m/sec. Which object had more kinetic energy while it was being lifted? 14. Deadlifting involves raising a loaded barbell from the floor to a position above the head with outstretched arms. Determine the work done by a powerlifter in deadlifting 300 kg to a height of 0.90 m above the ground. 15. A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby has a mass of 1.22 kg. The carriage has ____________ energy. 16. Bogart is out with his friends. Misfortune occurs and Bogart and his friends find themselves getting a workout. They applied a 235440 J work energy to push the car 218 m horizontally to the nearest fuel station. Determine the cumulative force done in pushing the car.