From the window of a building, a ball is tossed from a height y, above the ground with an initial velocity of 8.10 m/s and angle of 21.0° below the horizontal. It strikes the ground 6.00 s later. (a) If the base of the building is taken to be the origin of the coordinates, with upward the positive y-direction, what are the initial coordinates of the ball? (Use the following as necessary: Yo. Assume SI units. Do not substitute numerical values; use variables only.) X; = Y; = (b) With the positive x-direction chosen to be out the window, find the x- and y-components of the initial velocity. Vi, x= Vi, y = m/s m/s (c) Find the equations for the x- and y-components of the position as functions of time. (Use the following as necessary: y, and t. Assume SI units.) y = m (d) How far horizontally from the base of the building does the ball strike the ground?

From the window of a building, a ball is tossed from a height y, above the ground with an initial velocity of 8.10 m/s and angle of 21.0° below the horizontal. It strikes the ground 6.00 s later. (a) If the base of the building is taken to be the origin of the coordinates, with upward the positive y-direction, what are the initial coordinates of the ball? (Use the following as necessary: Yo. Assume SI units. Do not substitute numerical values; use variables only.) X; = Y; = (b) With the positive x-direction chosen to be out the window, find the x- and y-components of the initial velocity. Vi, x= Vi, y = m/s m/s (c) Find the equations for the x- and y-components of the position as functions of time. (Use the following as necessary: y, and t. Assume SI units.) y = m (d) How far horizontally from the base of the building does the ball strike the ground?

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Description: From the window of a building, a ball is tossed from a height y, above the ground with an initial velocity of 8.10 m/s and angle of 21.0° below the horizontal. It strikes the ground 6.00 slater.(a) If the base of the building is taken to be the orig

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter4: Motion In Two And Three Dimensions

Section: Chapter Questions

Problem 8CQ: Answer the following questions for projectile motion on level ground assuming negligible air...

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