Questions
A simple pendulum is swinging in vertical plane. The ratio of its potential energies when it is making angles
detailed solution
Correct option is A
PE1=mgl(1−cos300)=mgl(1−32)=mgl(2−3)2 PE2=mgl(1−cos600)=mgl(1−12)=mgl×12 ∴ratio isu1u2=2−31Talk to our academic expert!
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