15. A ball is thrown down from the top of a building with an initial velocity...
A ball is thrown straight downward from the top of a building. Its initial velocity is 12 m/s downward. It hits the ground 1.2s after release. How tall is the building? *ignoring any air resistance* Please explain in detail why you need to solve for vf first using Vf=Vo+at and then plug Vf into Vf^2=Vo^2+2a(x2-x1) I assumed that since the ball hits the ground that vf=0m/s but using that I am getting the incorrect answer of 7.3m instead of the correct...
A ball is thrown horizontally from the top of a 60.0-m building and lands 110.0 m from the base of the building. Ignore air resistance. (a) How long is the ball in the air? (b) What must have been the initial horizontal component of the velocity? (c) What is the vertical component of the velocity just before the ball hits the ground? (d) What is the velocity (including both the horizontal and vertical components) of the ball just before it...
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...
A ball is thrown from the top of a building with an initial velocity of 23.7 m/s straight upward, at an initial height of 52.0 m above the ground. The ball just misses the edge of the roof on its way down, as shown in the figure. (a) Determine the time needed for the ball to reach its maximum height. s (b) Determine the maximum height. m (c) Determine the time needed for the ball to return to the height...
A ball is thrown horizontally with an initial speed of 30m/s from the top of a building 45m tall. a. How far away from the building will the ball hit the ground? b. What is the horizontal component of its velocity when it hits the ground? c. Find the magnitude and direction of the velocity when it hits the ground?
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...
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...
A ball is thrown horizontally from the top of a 59.0-m building and lands 114.3 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...
A ball is thrown horizontally from the top of a 95 m building and lands 110 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. Part (a) How long is the ball in the air in seconds? Part (b) what must have been the initial horizontal component of the velocity, in meters per second? Part(c)...
A ball is thrown horizontally from the top of a 63.0 -m building and lands 110.3 m from the base of the building. Ignore air resistance. 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.)