Question
Fri February 10, 2012 By:
 

what happens to the kinetic energy of a body when 3/4th mass is removed and velocity is doubled

Expert Reply
Sat February 11, 2012
K.E.= 1/2 mv2
 
NEW K.E = 1/2 (3/4 m) 4v2= 3( initial K.E.)
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