# If a projectile is shot at an angle of #pi/4# and at a velocity of #15 m/s#, when will it reach its maximum height??

##### 1 Answer

Feb 28, 2016

#### Answer:

2.12s

#### Explanation:

Velocity of projection

Angle of projection

Vertical component of vel. of projection

Applying equn for vertical motion under gravity,

at maximum height (H) the final vertical vel. being ZERO, we can write

If time of reaching Maximum height be T then

Calculation of height not wanted here