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A football is kicked at θ= 37.0o and v0 = 20.0 m/s.
a. What are the components of its initial velocity?
b. What is the maximum height it achieves?
c. How long does it take the ball to return to the ground?
d. What is the total distance traveled in the x-direction?
e. What is the velocity vector at the maximum height?
f. What is the acceleration vector at the maximum height?
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A brick is initially 12.67 cm high and an aluminum can is initially 12.68 cm high. By how much must their temperatures be raised in order for the brick and the can to have exactly the same height?
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A skier starts from rest at the top of a hill that is inclined at10.4°with the horizontal. The hillside is 245 m long, and the coefficient of frictionbetween snow and skis is 0.0750. At the bottom of the hill, thesnow is level and the coefficient ..
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