Science

Math

Humanities

... and beyond

Socratic Meta
Featured Answers

Topics

Question #25a8e

1 Answer

Vartika · 1s2s2p

Nov 8, 2017

K.E will increase by 9 times.

Explanation:

#E_k= (mv^2)/2#

Let #v# be #3v# so #v^2= 9v#

#(E_(k1))/(E_(k2))=(mv^2)/2÷(m(3v)^2)/2#

#(E_(k1))/(E_(k2))=(2mv^2)/(2m9v^2)=1/9#

#E_(k2)=9E_(k1)#

Related questions

Impact of this question

678 views around the world

You can reuse this answer
Creative Commons License