menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
A professional cyclist rides a bicycle that is 92 percent efficient. For every 100 joules of energy he exerts as input work on the pedals, how many joules of output work are use…
Ask a Question
Questions
Unanswered
Tags
Ask a Question
A professional cyclist rides a bicycle that is 92 percent efficient. For every 100 joules of energy he exerts as input work on the pedals, how many joules of output work are use…
asked
Apr 22, 2015
208k
views
1
vote
A professional cyclist rides a bicycle that is 92 percent efficient. For every 100 joules of energy he exerts as input work on the pedals, how many joules of output work are used to move the bicycle?
Physics
high-school
Mateostabio
asked
by
Mateostabio
7.6k
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
The bicycle is 92% efficient, meaning 92% of energy input is converted to useful (in this case kinetic) energy. Just find 92% (=0.92) of the given input. So:
100*0.92 = 92J
Bob Wintemberg
answered
Apr 26, 2015
by
Bob Wintemberg
7.3k
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
Nov 14, 2017
219k
views
A professional cyclist rides a bicycle that is 92 percent efficient. For every 100 joules of energy he exerts as input work on the pedals, how many joules of output work are used to move the bicycle?
Laurent R
asked
Nov 14, 2017
by
Laurent R
7.7k
points
Physics
high-school
1
answer
2
votes
219k
views
asked
Jan 27, 2024
57.2k
views
A bicycle with 18-in.-diameter wheels has its gears set so that the chain has a 7-in. radius on the front sprocket and 4-in. radius on the rear sprocket. The cyclist pedals at 175 rpm. Find the linear
Prashant Sable
asked
Jan 27, 2024
by
Prashant Sable
8.2k
points
Physics
high-school
1
answer
4
votes
57.2k
views
asked
Apr 1, 2024
87.1k
views
A cyclist intends to cycle up a 7.20∘ hill whose vertical height is 145 m. The pedals turn in a circle of diameter 39.0 cm. Assuming the mass of bicycle plus person is 95.0 kg, calculate how much work
Jonmarc
asked
Apr 1, 2024
by
Jonmarc
8.1k
points
Physics
high-school
1
answer
2
votes
87.1k
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
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
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