Questions
The bob of a pendulum of length l is pulled aside from its equilibrium position through an angle and then released. The bob will then pass through its equilibrium position with a speed v, where v equals
detailed solution
Correct option is C
If suppose bob rises up to a height h as shown then after releasing potential energy at extreme position becomes kinetic energy of mean position⇒mgh=12mvmax2⇒vmax=2ghAlso, from figure cosθ=l−hl⇒h=l(1−cosθ)So, vmax=2gl(1−cosθ)Talk to our academic expert!
Similar Questions
A simple pendulum has time period T1. The point of suspension is now moved upward according to equation where . If new time period is T2 then ratio will be
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