Please answer parts d and f =A woman stands at the edge of a cliff and throws a rock horizontally over the edge with a speed of vVo 21.5 m/s. The rockleaves her hand at a height of h = 48.0 m above level ground at the bottom of the cliff, as shown in the figure. Note thecoordinate system in the figure, where the origin is at the bottom of the cliff, directly below where the rock leaves thehand.hX(a) What are the coordinates of the initial position of the rock? (Enter your answers in m.)=0mхоYo = 48m(b) What are the components of the initial velocity? (Enter your answers in m/s.)Vox= 21.5m/s=0m/svoyToo (d) Write the equations for the position of the rock with time, using the coordinates in the figure. (Use the following asnecessary: t. Assume that x and y are in meters and t is in seconds. Do not include units in your answers.)21.5X =Xvoxand theIf the velocity is constant in the x-direction, how is the position along the x-axis related to the initial vtime? m=-9.8tXWhat is the acceleration? What is its direction? What equation relates the y-displacement to the acceleration inthe y-direction, the initial velocity in the y-direction, and the time? m(e) How long (in s) after being released does the rock strike the ground below the cliff?3.13S(f) with what speed (in m/s) and angle of impact (in degrees clockwise from the +x-axis) does the rock land?V f =98.38XFrom your equations in part (c), and the time from part (e), can you find the final x- and y-components of thevelocity? How can you use them to find the magnitude of the final velocity? m/s0 =77.38XWhat is the final x-component of velocity? The final y-component of velocity? How can you use them andtrigonometric functions to determine the angle? Note a positive angle measured below horizontal (clockwisefrom +x) is required. ° clockwise from the +x-axis

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Description: Please answer parts d and f =A woman stands at the edge of a cliff and throws a rock horizontally over the edge with a speed of vVo 21.5 m/s. The rockleaves her hand at a height of h = 48.0 m above level ground at the bottom of the cliff, as shown in

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A woman stands at the edge of a cliff and throws a rock horizontally over the edge with a speed of Vo = 21.5 m/s. The rock leaves her hand at a height of h = 48.0 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 rock leaves the hand. L (a) What are the coordinates of the initial position of the rock? (Enter your answers in m.) хо 0 = m Yo 48 = m (b) What are the components of the initial velocity? (Enter your answers in m/s.) Vox 21.5 m/s m/s VOY = 0 x

A woman stands at the edge of a cliff and throws a rock horizontally over the edge with a speed of Vo = 21.5 m/s. The rock leaves her hand at a height of h = 48.0 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 rock leaves the hand. L (a) What are the coordinates of the initial position of the rock? (Enter your answers in m.) хо 0 = m Yo 48 = m (b) What are the components of the initial velocity? (Enter your answers in m/s.) Vox 21.5 m/s m/s VOY = 0 x

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter6: Motion In Two Dimensions

Section: Chapter Questions

Problem 87A

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