Question

If a projectile is shot at an angle of `pi/2` and at a velocity of `31 m/s`, when will it reach its maximum height??

Answer 1

`"3.2 s"`

Explanation:

Time taken to reach maximum height is given by

`"T" = "usinθ"/"g"`

`color(white)("T") = "31 m/s × sin(π/2)"/"9.8 m/s"^2`

`color(white)("T") = 3.2\ "s"`