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Work Power and Energy question

2008 · Shift 2 · Q50
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Work Power and Energy question

2008 · Shift 2 · Q50

JEE AdvancedPhysicsWork Power and EnergyMCQ+3 / −1
A bob of mass M is suspended by a massless string of length L. The horizontal velocity V at position A is just sufficient to make it reach the point B. The angle θ\thetaθ at which the speed of the bob is half of that at A, satisfies, IIT-JEE 2008 Paper 2 Offline Physics - Work Power & Energy Question 1 English
  1. A
    θ=π4\theta = {\pi \over 4}θ=4π​
  2. B
    π4<θ<π2{\pi \over 4} \lt \theta \lt {\pi \over 2}4π​<θ<2π​
  3. C
    π2<θ<3π4{\pi \over 2} \lt \theta \lt {{3\pi } \over 4}2π​<θ<43π​
  4. D
    3π4<θ<π{{3\pi } \over 4} \lt \theta \lt \pi43π​<θ<π
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