JEE Main 2023 Physics question

PhysicsWork, Energy and PowerJEE Main 2023

A closed circular tube of average radius 15 cm, whose inner walls are rough, is kept in vertical plane. A block of mass 1 kg just fit inside the tube. The speed of block is 22 m/s, when it is introduced at the top of tube. After completing five oscillations, the block stops at the bottom region of tube. The work done by the tube on the block is J. (Given g = 10 m/).

Answer: 245

Solution

Question ID VK-035932