10. A projectile is launched off of a 10.0 meter high roof with an initial velocity of 29.0 m/s in a direction that makes a 38.0° angle with the horizontal. What are the x and y components of its initial velocity? a) What is the object's maximum height relative to ground level? b) At what distance away does the object hit the ground?

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Chapter1: Units, Trigonometry. And Vectors
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10. A projectile is launched off of a 10.0 meter high roof with an initial velocity of
29.0 m/s in a direction that makes a 38.0° angle with the horizontal.
What are the x and y components of its initial velocity?
a) What is the object's maximum height relative to ground level?
b) At what distance away does the object hit the ground?
c) Take this as the straight-line distance from its initial position to where it
strikes the ground.
d) What is the object's velocity vector (magnitude and direction) when it
reaches the ground?
Answers: a) 22.85 m/s and 17.85 m/s b) 26.25 m c) 94.9 m d) 32.2 m/s @ -44.8°
Transcribed Image Text:10. A projectile is launched off of a 10.0 meter high roof with an initial velocity of 29.0 m/s in a direction that makes a 38.0° angle with the horizontal. What are the x and y components of its initial velocity? a) What is the object's maximum height relative to ground level? b) At what distance away does the object hit the ground? c) Take this as the straight-line distance from its initial position to where it strikes the ground. d) What is the object's velocity vector (magnitude and direction) when it reaches the ground? Answers: a) 22.85 m/s and 17.85 m/s b) 26.25 m c) 94.9 m d) 32.2 m/s @ -44.8°
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