Answered: A ball of mass 10 kg makes a head-on…

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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A ball of mass 10 kg makes a head-on elastic collision with a second ball (at rest) and rebounds with a speed equal to 0.3 its original speed. What is the mass (in kg) of the second ball? (Could you please provide a step by step formula?) (This is the Fifth Time I'm asking Bartleby for help with this question, please explain in the diagram in detail please, step by step. ) (For example. for some reason, one of the variables turns from 0.3 into 0.7 m/s, please explain how and why) (Please lable velocities, masses ex. properly as which ones are the initials, finals, which mass belongs to which one.)

e=1
m2
m2
(0:3) V
Rest
A-fter colli'sion
Before Collision
Inall type of Collisions, linear momentum remains
Conserved. So, m,ui+ m2u2
= m, V, + WaVz
lov+m(0) = -10(0-3)V + mVa
m V2 = 13V
(1)
Vscperadtion
Vapproach
For elastic collision, e=
e=1 =
V2-(-0.3 V)
> V2+0:3V= V
V-0
> Vz = V-0•3V
>
V2 = 0. 7 \V
-(2)
%3D
Foom 1) and (2),
m(0.7)V = 13 V → m= _]3
>So, mass f gtational ball = m = 18·57 Kg.

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