A man throws the bricks to a height of 12 m where they reach with a speed of `12 m//s`.
Channel: Doubtnut
Date: 2020-08-30

A man throws the bricks to a height of 12 m where they reach with a speed of `12 m//s`. If he throws the bricks such that they just reach that height, what percentage of energy will be saved? `(g = 9.8 m//s^(2))`