Figure shows the kinetic energy K of a simple pendulum versus its angle θ from the vertical. The pendulum bob has mass 0.2 kg. If the length of the pendulum is equal to 
meter, then find n (g = 10 m/s 2 ).
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(15)
= 15 × 10 –3
V m = 
Aꞷ = 
Lθ m . 
= 
= 
gL = 
= 1.5 m
l = 
m
∴ n =15
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