Question

An NCC parade is going at a uniform speed of 6 km/h through a place under a berry tree on which a bird is sitting at a height of 12.1m. At a particular instant the bird drops a berry. Which cadet (give the distance from the tree at the instant) will receive the berry on his uniform?

Answer 1

Time taken by berry to fall $t=\sqrt{\frac{2\times 12.1}{10}}$

Distance moved by a man in the parade, $D=\frac{6\times 5}{18}$ $\sqrt{\frac{2\times 12.1}{10}}$

$D=2.592m$