187k views
0 votes
How much energy is required to lift a 9 kg (20 lb) bag of rice from the floor to the trunk of your car located 0.9 meters above the ground? What kind of energy does the rice have when it is sitting in your trunk? To receive full credit, show all of your work in the space below.

User Jukempff
by
8.6k points

1 Answer

3 votes
potential energy = mass X acceleration due to gravity X height
= 9 X 10(or 9.8) X 0.9
= 81 J (Joule)
User Stephan Luis
by
8.9k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories