A stone is shoot out from a cataplut with the initial velocity of 30m/s at an elevation of 60.find

(a)Time of flight
(b)maximum height
(c) The range.

(a) t = 2 * [30 sin(60º) / g]

(b) h = t * 30 sin(60º) / 2

(c) r = t * 30 cos(60º)