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A cannon fires a cannonball at an angle of 30 degrees about horizontal. The initial velocity...

A cannon fires a cannonball at an angle of 30 degrees about horizontal. The initial velocity of the cannonball is 40 m/s.

A) How long will it take the cannonball to reach maximum height

B) What is the maximum height the cannonball will reach

C) What distance in x will the cannonball travel before hitting the ground?

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Answer #1

From kinematic equation

Vy= V0y + ay*t

at maximum height Vy=0,

0= V0y +(-g)*t

t =V0y/g------1

For maximum height,s =V0y*t +1/2*ay*t^2

put equation 1 in above and get maximum height

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