PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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Textbook Question
Chapter 15, Problem 74P
Two smooth disks A and B each have a mass of 0.5 kg. If both disks are moving with the velocities shown when they collide, determine the coefficient of restitution between the disks if after collision B travels along a line, 30° counterclockwise from the y axis.
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Disks A and B have a mass of 6 kg and 13 kg. respectively. Disk A is sliding with a velocity of 5 m/s to the left while Disk B is sliding
with a velocity of 3 m/s to the right. Determine the speed of disk B just after impact. The coefficient of restitution between them is e
= 0.7.
Line of
impact
B.
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Two smooth disks A and B each have a mass of 0.5 kg.
s of
If both disks are moving with the velocities shown when they
collide, determine the coefficient of restitution between the
disksif after collision B travels along a line, 30° counterclockwise
from the y axis.
(va)ı = 6 m/s
(VB)1 = 4 m/s
B.
Disk A and B have a mass of 4 kg and 6 kg,
respectively. If they are sliding on a smooth
horizontal plane with the velocities shown,
determine their speeds just after impact.
coefficient of restitution between them is e =0.8.
=5 m/s
e 0,8
The
45°
m, = 4 kg
Your solution must include the following:
(a) tangential component of the velocities after
impact for both disks, (VAt)2 and (Vet)2,
(b) normal component of the velocities after impact =3 m/s
for both disks, (VAn)2 and (VBn)2,
(c) the velocities after impact for both disks, (vA)2 and (vB)2,
30
ma = 6 kg
[4] (a) (VAt)2 =
(VBt)2
[17] (b) (Van)2 =
(VBn) 2
[4] (c) (VA)2
(VB)2 =
%3D
%3D
%3D
Chapter 15 Solutions
PEARSON ETEXT ENGINEERING MECH & STATS
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