mason is supplied with bricks by his assistant who is 3 m

Last updated: 6/1/2023

mason is supplied with bricks by his assistant who is 3 m below him the assistant tossing the brick vertically up The speed of the brick when it reaches the mason is 2 m s What percentage of energy used up by the servant serves no useful purpose a 9 8 b 4 9 d 10 c 5 6