menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
A 50kg girl is playing soccer. She runs towards the ball at a speed of 7 m/s. How much kinetic energy does she have as she runs
asked
Jun 13, 2019
136k
views
0
votes
A 50kg girl is playing soccer. She runs towards the ball at a speed of 7 m/s. How much kinetic energy does she have as she runs
Physics
middle-school
Shlensky
asked
by
Shlensky
5.7k
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.
2
Answers
0
votes
yup its 1,225j thank you lol i need more wordsssssss
Gregory Thomas
answered
Jun 15, 2019
by
Gregory Thomas
5.8k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
6
votes
The calculation for kinetic energy is this
KE = 1/2mv^2
KE = 1/2(50)(7^2)
KE = 1/2(49•50)
KE = 1225 kgm^2/s^2.
Or simply 1225 J.
She possess this much energy when she runs.
MrDiggles
answered
Jun 18, 2019
by
MrDiggles
6.5k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
6.7m
questions
8.9m
answers
Other Questions
A ball is dropped from rest at height of 50m above the ground (a) What is its speed just before it hits the ground (b) How long does it take to rech the ground.
What is the objects motion from A to B?
In which scenario is an animal doing work? Check all that apply. A cat lifts up her kitten by its neck. A dog rubs his back against a large tree. A bird carries a worm to its nest. A goat butts its head
What is the acceleration of an object with mass of 42.6 kg when an unbalanced force of 112 N is applied to it?
The___ is composed of Earth's crust and solid upper mantle A. Inner core B outer core C lithosphere D asthenosphere
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org