Physical Science- 5 Questions- Please Help! 1. *What type of energy gives you the energy to ride a bike up a hill?*
25,000J
4 m/s
75 kg
20,000 J
potential energy
kinetic energy
heat energy
chemical energy
mechanical energy
electrical energy
2. *If someone is holding a ball getting ready to throw it, what type of energy does it posses?*
25,000J
4 m/s
75 kg
20,000 J
potential energy
kinetic energy
heat energy
chemical energy
mechanical energy
electrical energy
3. *What is the velocity of an 500-kg elevator that has 4000 J of energy?*
25,000J
4 m/s
75 kg
20,000 J
potential energy
kinetic energy
heat energy
chemical energy
mechanical energy
electrical energy
4. *What is the kinetic energy of a 2,000.-kg boat moving at 5.0 m/s?*
25,000J
4 m/s
75 kg
20,000 J
potential energy
kinetic energy
heat energy
chemical energy
mechanical energy
electrical energy
5. *What is the mass of an object traveling at 30. m/s if it has 33,750 J of energy?*
25,000J
4 m/s
75 kg
20,000 J
potential energy
kinetic energy
heat energy
chemical energy
mechanical energy
electrical energy