Question

2. A ball is projected from a point O as shown in figure.
It will strike the ground after (g = 10 m/s)
(1)4s
(2) 3s
(4) 5s
(3) 2s​

Answer 1

Answer:

4

Explanation:

2*u*sin30/g +

$\sqrt{2h \div g}$

2*10*0.5 /10 +

$\sqrt{2 \times 60 \div 10}$