What is the kinetic energy of a 9 kg9kg object moving at 7/4 m/s74ms?

1 Answer
Andrew I.
Feb 13, 2016

13.78125J13.78125J

Explanation:

We can us the formula:

E = 1/2mv^2E=12mv2, where m=9kgm=9kg and v = 7/4 ms^-1v=74ms−1

If we put this into the formula we get:

E = 1/2(9)(7/4)^2 = 9/2 49/16=441/32 J=13.78125JE=12(9)(74)2=924916=44132J=13.78125J

Related questions
See all questions in Energy
Impact of this question
1645 views around the world
You can reuse this answer
Creative Commons License