A ball is thrown horizontally from the top of a 65 m building and lands 125 m from the base of the building. Ignore air resistance, and use a coordinate system whose origin is at the top of the building, with positive y upwards and positive x in the direction of the throw. A) How long is the ball in the air in seconds? t = B) What must have been the initial horizontal component of the velocity, in meters per second? v0x = C) What is the vertical component of the velocity just before the ball hits the ground, in meters per second? vy = D) What is the magnitude of the velocity of the ball just before it hits the ground, in meters per second? v =

A ball is thrown horizontally from the top of a 65 m building and lands 125 m from the base of the building. Ignore air resistance, and use a coordinate system whose origin is at the top of the building, with positive y upwards and positive x in the direction of the throw. A) How long is the ball in the air in seconds? t = B) What must have been the initial horizontal component of the velocity, in meters per second? v0x = C) What is the vertical component of the velocity just before the ball hits the ground, in meters per second? vy = D) What is the magnitude of the velocity of the ball just before it hits the ground, in meters per second? v =

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Question

A) How long is the ball in the air in seconds?

t =

B) What must have been the initial horizontal component of the velocity, in meters per second?

v_0x =

C) What is the vertical component of the velocity just before the ball hits the ground, in meters per second?

v_y =

D) What is the magnitude of the velocity of the ball just before it hits the ground, in meters per second?

v =

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