Question

1. A golf ball is hit at an angle of 40 degrees to the horizontal at a velocity of 24 m/s. Calculate the Viy.

2. A golf ball is hit at an angle of 40 degrees to the horizontal at a velocity of 24 m/s. Calculate the Vix.

3. A firefighter, standing 45 m from a burning building, directs a stream of water from a ground level fire hose at an angle of 25 degrees above the horizontal. The Vi of the stream as it leaves the hose is 55 m/s. What is the water’s Vix?

Answer 1

Step-by-step explanation:

1 )

`V_(iy)` is y component of velocity

= 24 sin40 = 15.43 m / s

2 )

`V_(ix)` is x component of velocity

= 24 cos 40 = 18.38 m /s

3 )

`V_(ix)` is x component of velocity

= 55 cos 25

= 49.85 m /s