A particle of mass ' m ' moves along a circle of radius ' r ' with constant tangential acceleration. If K.E. of the particle is ' 
' by the end of third revolution after beginning of the motion, then magnitude of tangential acceleration is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
: A particle of mass m and radius 
.
Distance travelled after one revolution 
Distance travelled after 
revolution 
Now, 
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