A teacher pushed a 98 newton desk across a floor for a distance of 5 meters. He exerted a horizontal force of 20 N for four seconds. What was his power?

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question

asked Nov 22, 2023 201k views

0 votes

A teacher pushed a 98 newton desk across a floor for a distance of 5 meters. He exerted a horizontal force of 20 N for four seconds. What was his power?

Physics
high-school

Eric Tremblay asked

by Eric Tremblay

7.2k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

8 votes

Answer:

First let's find the work.

Work = Force*Displacement

= 20*5

= 100 Joules

Power = Work/Time

= 100/4

= 25 Watts

Kasun Jalitha answered Nov 28, 2023

by Kasun Jalitha

7.1k 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.

7.9m questions

10.5m 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