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 7.50 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. Assume SI units. Do not substitute numerical values; use variables only.)

x_i	=	−
y_i	=

(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. Assume SI units.)

x	=
y	=

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

Expert Solution

Step 1

$Initial velocity (v) = 7.50 \frac{m}{s} A n g l e = 18^{o} b e l o w h o r i z o n t a l Time taken to hit the ground = 5 seconds$

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