A stone is projected at an initial speed of 120 ft/s directed 62° above the horizontal, at a cliff of height h, as shown in Fig. The stone strikes the ground at A 5,5 s after launching. Find (a) the height h of the cliff, (b) the speed of the stone just before impact at A, and (c) the maximum height H reached above the ground.

Simran Bhatia , 9 Years ago

Grade 11