If gravity is the only force present, what is the total mechanical energy of a book falling off a shelf at a time when its potential energy is 50 J and its kinetic energy is 60 J?

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question

asked Jul 16, 2020 27.9k views

1 vote

If gravity is the only force present, what is the total mechanical energy of a

book falling off a shelf at a time when its potential energy is 50 J and its
kinetic energy is 60 J?

Physics
middle-school

Xmar asked

by Xmar

5.5k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

4 votes

Answer:

110 J

Step-by-step explanation:

Mechanical Energy = Kinetic Energy + Potential Energy

= 60 J + 50 J

= 110 J

Zimkies answered Jul 20, 2020

by Zimkies

5.3k points

0 Comments

Please log in or register to add a comment.

Ask a Question

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

5.8m questions

7.5m answers

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 Comments

Please log in or register to add a comment.

Other Questions