Physical science- 5 questions- ! 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