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

1. 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

1. 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

1. 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

1. 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