menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
A hiker wears a 7.5 kg backpack while climbing a mountain. After 30 mins thw hiker is 8.2 m above the starting point. What is the average amount of power created by the hiker?
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
A hiker wears a 7.5 kg backpack while climbing a mountain. After 30 mins thw hiker is 8.2 m above the starting point. What is the average amount of power created by the hiker?
asked
Feb 21, 2017
37.0k
views
5
votes
A hiker wears a 7.5 kg backpack while climbing a mountain. After 30 mins thw hiker is 8.2 m above the starting point. What is the average amount of power created by the hiker?
Physics
high-school
Decius
asked
by
Decius
8.1k
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
4
votes
Power:
P= A/t
A = F · h = m · g · h
P = m · g · h / t, m = 7.5 kg, g = 9.81 m/s², h = 8.2 m, t = 1800 s
P = 7.5 · 9.81 · 8.2 / 1800 =
0.335 W
Wingjam
answered
Feb 28, 2017
by
Wingjam
8.6k
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
Dec 21, 2017
25.3k
views
a hiker wears a 7.5-kg backpack while climbing a mountain. after 30.0 min, the hiker is 8.2 m above the starting point. what is the average amount of power created by the hiker?
Sahibjot Singh
asked
Dec 21, 2017
by
Sahibjot Singh
7.6k
points
Physics
high-school
1
answer
2
votes
25.3k
views
asked
May 2, 2023
206k
views
the scatter plots shows thw relationship between backpack weight and student weight which statement describes the data shown in the scatter plot?
Mbesso
asked
May 2, 2023
by
Mbesso
8.1k
points
Mathematics
college
1
answer
2
votes
206k
views
asked
Apr 12, 2024
143k
views
A backpacker is hiking along a cliffside. The hiker and his backpack have a mass of 88 kg and are 27 m above the ground. Use g = 9.8 m/s 2 Calculate the gravitational potential energy of the hiker and
Schemacs
asked
Apr 12, 2024
by
Schemacs
7.5k
points
Chemistry
high-school
1
answer
0
votes
143k
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
What type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
what is a device that transforms thermal energy to mechanical energy
What is the minimum resistance which can be made using five resistors each of 1/5
A 75-kg refrigerator is located on the 70th floor of a skyscraper (300meters a over the ground) What is the potential energy of the refrigerator? #PLEASE HELP
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org