A ball is thrown horizontally from the top of a 69.0-m building and lands 105.8 m...
A ball is thrown horizontally from the top of a 69.0-m building and lands 105.8 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.)
How long (in s) is the ball in the air?
What must have been the initial horizontal component of the velocity (in m/s)? (Indicate the direction with the sign of your answer.)
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.)
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A ball is thrown horizontally from the top of a 69.0-m building
and lands 105.8 m...
A ball is thrown horizontally from the top of a 55.0-m building and lands 106.8 m...
A ball is thrown horizontally from the top of a 55.0-m building and lands 106.8 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.) 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...
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Back on Earth, a ball is thrown off a roof top with a horizontal velocity 7.4 m/s and a upward vertical velocity 3.9 m/s. It hits the ground 3.8 s later. What is the direction at which the ball hits the ground? Give the angle the velocity vector makes with vertical (straight down = 0o and horizontal = 90o). Use g = 9.8 m/s2 if needed and neglect air friction. Read carefully -- there are versions of this question with...
A ball is thrown horizontally from the top of a 57 m vertical cliff and lands 92 m from the base of the cliff. What is the vertical component of the velocity of the ball just before it hits the ground?
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