A ball of mass 0.5kg slows down from a speed of 5 m/s to that of 3m/s . Calculate the charge in kinetic energy of the ball. State your ans giving proper units.
Expected ans from bs , bb and moderator...
Expected ans from bs , bb and moderator...
Add an Answer
More Questions From This User See All
Answers & Comments
= 1/2*0.5*5*5
= 6.25 j
K.E.2 = 1/2*0.5*3*3
= 2.25 j
Change in kinetic energy = K.E.1-K.E.2
= 6.25 - 2.25
= 4 j Ans
-Initial K. E = 1/2 mv^2
= 1/2 x 0.5 x (5) ^2 = 6.25
- final K. E = 1/2mv^2
= 1/2 x 0.5 x (3) ^2 = 2.25
change in K. E = 4 J
@@@@@@@@@@@@@@@@@@@@@
HOPE IT'S HELP U ☺