A pendulum of length 2 m lift at P . When it reaches Q , it losses 10% of its total energy
Channel: Doubtnut
Date: 2020-08-30

A pendulum of length 2 m lift at P . When it reaches Q , it losses 10% of its total energy due to air resistance. The velocity at Q is   img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/ERRL_PHY_NEET_V01_C16_E01_176_Q01.png" width="80%"