A particle is moving in a circular path of radius a under the action of an attractive potential U = – 
. Its total energy is:
A
zero
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
U = 
F = 
= – 
mv 2 = 
K.E. = 
mv 2 = 
E = P.E. + K.E. = 0
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