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 D
w=PE=mgℓ(1−cosθ) U1U2=1−cosθ11−cosθ2=1−cos451−cos90 U1:U2=(2−1):2Talk to our academic expert!
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A 15 g ball is shot from a spring gun whose spring has a force constant of 600 N/m. The spring is compressed by 5 cm. The greatest possible horizontal range of the ball for this compression is (g = 10 m/s2)
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