A student throws a ball off a cliff with a speed of 30ms-1 at an angle of 30 degrees. The ball took 5s to land at the bottom of the cliff.
(a) Determine the vertical component of the velocity
Uy = 30sin30 = 15ms-1
(b) Determine the height of the cliff.
- y = uyt + 1/2 ayt^2
= 15(5) +...