Answered: Two students are on a balcony a…

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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Two students are on a balcony a distance h above the street. The first student throws a ball vertically downward at a speed v₀; at the same time, the second student throws a ball vertically upward at the same speed. Answer the following symbolically in terms of v₀, g, h, and t.

(a) Write the kinematic equation for the y-coordinate of each ball. (Let up be positive.)

y₁	=	(ball 1)
y₂	=	(ball 2)

(b) Set the equations found in part (a) equal to height 0 and solve each for t symbolically using the quadratic formula. What is the difference in the two ball's time in the air? (Remember that t must always be a positive quantity.)

t₂ − t₁

v₁	=		(ball 1)
v₂	=		(ball 2)

(d) How far apart are the balls at a time after they are released and before they strike the ground?

y₂ − y₁

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