Question

A stone is thrown upward from the top of a building at
an angle of 30 to the horizontal and with a Intial spa
of 20 m/s. If the height of building is 45 m.
Calculate the total time the stone in flight (b) What is
the speed of stone just before it strikes the ground? (c)
Where does the stone strike the ground?
(Ans: (a) t = 4.22 s (b) V = 35.8 m/s
(c) 73.0 m from the base of building)​

Answer 1

Answer:

Ans . (a) t=4.22s (b)V=35.8m/s (c) 73.0 m