adjjones2011
01.11.2020 •
Physics
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?
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Ответ:
Explanation:
1 )
is y component of velocity
= 24 sin40 = 15.43 m / s
2 )
is x component of velocity
= 24 cos 40 = 18.38 m /s
3 )
is x component of velocity
= 55 cos 25
= 49.85 m /s
Ответ:
U r sooo cute
Explanation: