menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
A window washer stands on a scaffolding 30m above the ground. If he did 23,520J of work to reach the scaffolding, what is his mass?
asked
Nov 5, 2019
157k
views
5
votes
A window washer stands on a scaffolding 30m above the ground. If he did 23,520J of work to reach the scaffolding, what is his mass?
Physics
college
Metmirr
asked
by
Metmirr
7.5k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
3
votes
W.d = mgh
23520 = m × 9.81 × 30
23520 ÷ (9.81 × 30 ) = m
Demokritos
answered
Nov 9, 2019
by
Demokritos
8.5k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Sep 3, 2021
157k
views
A snowball that will be used to build a snowman is at the top of the only hill in town and weighs 22N. If the Potential Energy of the snowball is 520J, what is the height of the snowy hill?
Adrian Monk
asked
Sep 3, 2021
by
Adrian Monk
9.1k
points
Physics
high-school
1
answer
0
votes
157k
views
asked
Feb 10, 2021
56.5k
views
A 40kg box sits on a shelf 0.5m above the floor. An employee moves the box to a height of 1.8m above the floor. How much work did the employee do in moving the box? A)20J B)72J C)200J D)520J E)720J
Robertino Vasilescu
asked
Feb 10, 2021
by
Robertino Vasilescu
8.1k
points
Physics
high-school
1
answer
2
votes
56.5k
views
asked
Dec 3, 2021
221k
views
A window washer fell 20 feet from scaffolding while washing the windows on an office building. He is alert and oriented, but states that he cannot move or feel his legs. Additionally, because his blood
Ankuj
asked
Dec 3, 2021
by
Ankuj
8.2k
points
Health
high-school
1
answer
1
vote
221k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.5m
questions
12.2m
answers
Other Questions
At sea level, water boils at 100 degrees celcius and methane boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction between its particles? Explain your answer
Physical properties of minerals graphic organizer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
What type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
what is a device that transforms thermal energy to mechanical energy
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org