Question

Total time for which object remains in air

Answer 1

Answer:

To find the time of flight, determine the time the projectile takes to reach maximum height. The time of flight is just double the maximum-height time. At maximum height, vy = 0. The time of flight is also determined solely by the initial velocity in the y direction and the acceleration due to gravity.

Answer 2

Answer:

so the question is time of flight..