Name:_______________________________ 2. A car is traveling at 27 m/s and has a mass of 1500 kg. Calculate the kinetic energy of the car. 1. What is the kinetic energy formula?
Name:_______________________________ 1. What is the kinetic energy formula? Directions: Use the kinetic energy formula to answer the following questions. SHOW ALL WORK!!!!! 2. A car is traveling at 27 m/s and has a mass of 1500 kg. Calculate the kinetic energy of the car. 3. Determine the kinetic energy of a 300 kg space probe launched from the surface of Mars, once it has reached escape speed of 5,100 m/s 4. A bicyclist approaches a hill with a speed of 8.50 m/s. The total mass of the bicycle and the rider is 85.0 kg. What is the rider’s kinetic energy? 5. A cheetah can run briefly with a speed of 31 m/s. Suppose a cheetah with a mass of 47 kg runs at this speed. What is the cheetah’s kinetic energy? 6. A table tennis (ping‐pong) ball has a mass of about .025 kg. Suppose the ball is hit across the table with a speed of about 4.0 m/s. What is its kinetic energy? 7. What is the kinetic energy of a 0.01 kg dart that is thrown at 20 m/s? 8. What is the kinetic energy of a 3 kg ball that is rolling at 2 m/s? 9. What is the kinetic energy of a baseball moving at a speed of 50 m/s if the baseball has a mass of 0.15 kg? 10. An 8 kg cat is running 4 m/s. How much kinetic energy does it have? 11. A 50‐kilogram boy and his 100‐kilogram father went jogging. Both ran at a rate of 5 m/s. Who had more kinetic energy? 12. A 4 kg bird is flying 16 meters in 4 seconds. What is the bird’s speed? What is its kinetic energy? 13. A 25‐kg student is walking for 5.5 seconds. She travels 44 meters. What is her speed? What is her kinetic energy? 14. What is the kinetic energy of a boat moving for 5 seconds traveling 25 meters if the boat has a mass of 2,000 kg?
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