A ball is thrown horizontally from the top of a 61.5-m building and lands 112.8 m from the base of the building. Ignore air resistance. (Assume the ball is thrown in the +x direction and upward to be in the +y direction.)
(a)
How long (in s) is the ball in the air?
s
(b)
What must have been the initial horizontal component of the velocity (in m/s)? (Indicate the direction with the sign of your answer.)
m/s
(c)
What is the vertical component of the velocity (in m/s) just before the ball hits the ground? (Indicate the direction with the sign of your answer.)
m/s
(d)
What is the velocity (in m/s) (including both the horizontal and vertical components) of the ball just before it hits the ground?
magnitude m/sdirection ° counterclockwise from the +x-axis
A ball is thrown horizontally from the top of a 61.5-m building and lands 112.8 m...
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