A body is projected at angle 30^(@) to horizontal with a velocity 50ms^(-1). Its time of flight is (g=10m//s^(2))

A body is projected at angle 30^(@) to horizontal with a velocity 50ms

1.	A body is projected at angle 30^(@) to horizontal with a velocity 50ms^(-1). Its time of flight is (g=10m//s^(2))
Answer» 4s 5s 6s 7s Answer :B