Answered: From the window of a building, a ball…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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From the window of a building, a ball is tossed from a height y₀ above the ground with an initial velocity of 8.60 m/s and angle of 18.0° below the horizontal. It strikes the ground 5.00 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: y₀.)

x_i	=
y_i	=

(b) With the positive x-direction chosen to be out the window, find the x- and y-components of the initial velocity.

v_i,x	=	m/s
v_i,y	=	m/s

(c) Find the equations for the x- and y- components of the position as functions of time. (Use the following as necessary: y₀ and t. Let the variable t be measured in seconds.)

x	=	m
y	=	m

(d) How far horizontally from the base of the building does the ball strike the ground?
m

(e) Find the height from which the ball was thrown.
m

(f) How long does it take the ball to reach a point 10.0 m below the level of launching?
s

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