7. The power rating of an electric lawn mower is 2000 watts. If the lawn mower is used for 120 seconds, how many joules of work can it do?

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question

asked Sep 7, 2021 232k views

4 votes

7. The power rating of an electric lawn mower is 2000 watts. If the lawn mower is used for 120 seconds, how

many joules of work can it do?

Biology
middle-school

Eladian asked

by Eladian

8.0k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

6 votes

W=P*time
2000W x 120 secs =240000J

Darkbluesun answered Sep 11, 2021

by Darkbluesun

8.8k points

0 Comments

Please log in or register to add a comment.

← Prev Question Next Question →

Related questions

asked Jan 27, 2021 58.4k views

the power rating of an electric lawn mower is 2200 watts. if the lawn mower was used for 30 mins, and 650 Newtons of force was used, how much distance was covered?

Reims asked Jan 27, 2021

by Reims

7.8k points

Physics
high-school

2 answers

3 votes

58.4k views

asked Dec 19, 2024 168k views

The warning tag on a lawn mower states that it produces noise at a level of 91.0 dB. What is this in watts per meter squared? a) (2.00 X 10⁻9W/m²) b) (5.00 X 10⁻9W/m²) c) (1.00 X 10⁻9W/m²) d) (2.00 X 10⁻10W

Verve Innovation asked Dec 19, 2024

by Verve Innovation

7.7k points

Physics
high-school

1 answer

1 vote

168k views

asked Aug 25, 2024 66.7k views

It takes you 145 J of work and 1.61 watts of power to mow from one end of the yard to the other with a push lawn mower. How much time does it take to get from one end to the other? A. 90 seconds B. 120

Paola Quintero asked Aug 25, 2024

by Paola Quintero

8.3k points

Physics
high-school

1 answer

0 votes

66.7k views

Ask a Question

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

9.4m questions

12.2m 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.

Related questions

Other Questions