A 50 gm lead bullet specific heat 0 02 cal gm is initially

Last updated: 6/3/2023

A 50 gm lead bullet specific heat 0 02 cal gm is initially at 30 C It is fired vertically up speed of 840 m sec on returning to the starting level strikes a cake of ice at 0 C How much ice is melted Assume that all energy is spent in melting only Latent heat of ice 80 cal gm Write the REE 1988 5 answer in gms to nearest integer