Question Answers

Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Chapter 5 - Rotational Motion > A rod of length 50cm is pivoted at one end. It is raised such that if makes an angle of 30° from the horizontal as shown and released from rest. Its angular speed when it passes through the horizontal (in rad s^−1) will be (g=10ms^−2)

A rod of length 50cm is pivoted at one end. It is raised such that if makes an angle of 30° from the horizontal as shown and released from rest. Its angular speed when it passes through the horizontal (in rad s^−1) will be (g=10ms^−2)

A person of mass M is assuming that his centre of mass moves by a distance ℓ(ℓ sitting on a swing of length L and swinging with an angular amplitude θ0. If the person stands up when the swing passes through its lowest point the work done by him