Engineering Mechanics: Dynamics (14th Edition)
14th Edition
ISBN: 9780133915389
Author: Russell C. Hibbeler
Publisher: PEARSON
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Textbook Question
Chapter 15.9, Problem 7RP
If A strikes B with a velocity of (vA)1 = 2 m/s as shown, determine their final velocities just after collision. Ball B is originally at rest and the coefficient of restitution is e = 0.75
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Considering two balls (A, B) with
the same mass where ball A moves
with 8 ft/s and ball B is at rest at the
time of impact. Considering the
restitution coefficient of 0.8, find the
velocities of both balls after impact.
B.
s/1y 8 = '("a)
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
Q1:
Two smooth disks A and B, having mass of 1 kg and 2 kg respectively, collide with the velocities shown. If the coefficient of restitution for the disks is e = 0.75, determine the x and y
components of the final velocity of each disk just after collision.
(VB) =1 m/s
= 45°
8 = 30
Line of impact
(VA) = 3 m/s
Plane of contact
Chapter 15 Solutions
Engineering Mechanics: Dynamics (14th Edition)
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