3. -/11 points V SERCP11 3.2.OP.007. R My Notes Ask Your Teacher v A man stands at the edge of a cliff and throws a pebble horizontally over the edge with a speed of v, = 19.0 m/s. The pebble leaves his hand at a height of h = 34.0 m above level ground at the bottom of the cliff, as shown in the figure. Note the coordinate system in the figure, where the origin is at the bottom of the cliff, directly below where the pebble leaves the hand. (a) What are the coordinates of the initial position of the pebble? (Enter your answers in m.) У, 34 (b) What are the components of the initial velocity? (Enter your answers in m/s.) 19 m/s Voy = 0 m/s (c) Write the equations for the x and y-components of the velocity of the pebble with time. (Use the following as necessary: t. Assume that v and v are in m/s and tis in seconds. Do not include units in your answers.) V. 19 m/s m/s (d) Write the equations for the position of the pebble with time, using the coordinates in the figure. (Use the following as necessary: t. Assume that x and y are in meters and t is in seconds. Do not include units in your answers.) (e) How long (in s) after being released does the pebble strike the ground below the cliff? (a) What are the coordinates of the initial position of the pebble? (Enter your answers in m.) Y. = 34 (b) What are the components of the initial velocity? (Enter your answers in m/s.) Vox = 19 m/s Vor m/s (c) Write the equations for the x- and y-components of the velocity of the pebble with time. (Use the following as necessary: t. Assume that v and v are in m/s and t is in seconds. Do not include units in your answers.) 19 m/s m/s (d) Write the equations for the position of the pebble with time, using the coordinates in the figure. (Use the following as necessary: t. Assume that x and y are in meters and t is in seconds. Do not include units in your answers.) (e) How long (in s) after being released does the pebble strike the ground below the cliff? (f) With what speed (in m/s) and angle of impact (in degrees clockwise from the +x-axis) does the pebble land? m/s • clockwise from the +x-axis

3. -/11 points V SERCP11 3.2.OP.007. R My Notes Ask Your Teacher v A man stands at the edge of a cliff and throws a pebble horizontally over the edge with a speed of v, = 19.0 m/s. The pebble leaves his hand at a height of h = 34.0 m above level ground at the bottom of the cliff, as shown in the figure. Note the coordinate system in the figure, where the origin is at the bottom of the cliff, directly below where the pebble leaves the hand. (a) What are the coordinates of the initial position of the pebble? (Enter your answers in m.) У, 34 (b) What are the components of the initial velocity? (Enter your answers in m/s.) 19 m/s Voy = 0 m/s (c) Write the equations for the x and y-components of the velocity of the pebble with time. (Use the following as necessary: t. Assume that v and v are in m/s and tis in seconds. Do not include units in your answers.) V. 19 m/s m/s (d) Write the equations for the position of the pebble with time, using the coordinates in the figure. (Use the following as necessary: t. Assume that x and y are in meters and t is in seconds. Do not include units in your answers.) (e) How long (in s) after being released does the pebble strike the ground below the cliff? (a) What are the coordinates of the initial position of the pebble? (Enter your answers in m.) Y. = 34 (b) What are the components of the initial velocity? (Enter your answers in m/s.) Vox = 19 m/s Vor m/s (c) Write the equations for the x- and y-components of the velocity of the pebble with time. (Use the following as necessary: t. Assume that v and v are in m/s and t is in seconds. Do not include units in your answers.) 19 m/s m/s (d) Write the equations for the position of the pebble with time, using the coordinates in the figure. (Use the following as necessary: t. Assume that x and y are in meters and t is in seconds. Do not include units in your answers.) (e) How long (in s) after being released does the pebble strike the ground below the cliff? (f) With what speed (in m/s) and angle of impact (in degrees clockwise from the +x-axis) does the pebble land? m/s • clockwise from the +x-axis

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 38P: A fastball pitcher can throw a baseball at a speed of 40 m/s (90 mi/b). (a) Assuming the pitcher can...

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