Question

A body is projected with a velocity of 40 m/sec, and at an angle 30º. The time it takes
to be at a height of 20 m is (g = 10 ms - 2)
1) 6 sec
2) 3 sec
3) 2 sec
4) None of the above​

Answer 1

Exact answer is 2.3 seconds so ,according to the options provided it will be NONE OF THE ABOVE