menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
How much work is done when a hoist lifts a 290-kg rock to a height of 7 m?
asked
Dec 18, 2019
82.9k
views
2
votes
How much work is done when a hoist lifts a 290-kg rock to a height of 7 m?
Physics
college
Tiltem
asked
by
Tiltem
8.2k
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
5
votes
Given: Mass m = 290 Kg; Height h = 7 m
Required: Work = ?
Formula: Work = Force x distance but, Force F = mg
W= fd
W = mgh
W= (290 Kg)(9.8 m/s²)(7 m)
W = 19,894 Kg.m²/s²
W = 19,894 J
ChuckSaldana
answered
Dec 23, 2019
by
ChuckSaldana
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
Jan 14, 2024
164k
views
How much work is done when a hoist lifts a 200kg rock to a height of 3m ?
Sophie Mackeral
asked
Jan 14, 2024
by
Sophie Mackeral
8.2k
points
Physics
high-school
1
answer
1
vote
164k
views
asked
Jun 10, 2024
82.9k
views
How much work is done when a hoist lifts a 260-kg rock to a height of 6 m?
Ziqq
asked
Jun 10, 2024
by
Ziqq
8.8k
points
Physics
high-school
1
answer
5
votes
82.9k
views
asked
Jul 12, 2019
175k
views
An elevator's electric hoist is rated at 8.0 kW and has an efficiency of 90.0%. The hoist lifts the elevator car, mass 1225 kg, a distance of 9.00 m. (a) How much time is required? (b) How much electrical
Ettozyame
asked
Jul 12, 2019
by
Ettozyame
7.9k
points
Physics
middle-school
1
answer
0
votes
175k
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
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