What is the kinetic energy of an object with a mass of # 15 kg# that has been in freefall for # 9 s#?

1 Answer
anton
Oct 12, 2016

#E_k=5424J#

Explanation:

#E_k=(mv^2)/2#
#v=gt#
#E_k=(15*(9,8*9)^2)/2=5424J#

Related questions
See all questions in Energy
Impact of this question
1427 views around the world
You can reuse this answer
Creative Commons License