Question

A stone is projected with a velocity of 10 m/s at an angle of 30 degree with the horizontal. It will hit the ground after time:
a)3sec
b)2sec
c)1.5sec
d)1sec​

Answer 1

Answer:

1sec

Explanation:

there is a direct formula of time of flight

t=2usintheta/g

t=2×5/10=1sec