Momentum and CollisionHard
Question
If there is change of angular momentum from 1J to5J in 5 second. Then the torque is :
Options
A.
B.
C.
D.none of these
Solution
Torque = 
Here ᐃL = 5J- J = 4J
ᐃt = 5sec torque =
Here ᐃL = 5J- J = 4J
ᐃt = 5sec torque =
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