Question

PLEASE HELP ME OUT OFTHIS QUESTIONS OF PYQ​

Answer 1

Answer:

Explanation:

velocity of stone after 6 sec = gt = 10 x 6 = 60 m/s

velocity AFTER CRASHING WITH GLASS = (1/3) x 60 = 20m/s

now stone reaches ground in 2 sec

so

h = 20 x 2 + ½ x 10 x 2^2 = 40 + 20 = 60m.

Hope it helps !!