Incline planes P Q are smooth but plane surface from A to B

Last updated: 6/9/2023

Incline planes P Q are smooth but plane surface from A to B is rough Find number of times block of mass 2 kg will climb on Q If released from P at a height 50 m a 45 c 42 b 41 d 40 P A H 0 2 3m B H 50m