I Review Determine the velocity of the disk A just after collision. Express your answer to three significant figures and include the appropriate units. Disk A has a mass of 300 g and is sliding on a smooth horizontal surface with an initial velocity (va)ı = 5 m/s. It makes a direct collision with disk B, which has a mass of 150 g and is originally at rest. Both disks are of the same size and the collision is perfectly elastic (e = 1). (va)2 = 1.67 m v Correct Part B Determine the velocity of the disk B just after collision. Express your answer to three significant figures and include the appropriate units. HA ? (vB)2 = Value Units Part C Calculate the kinetic energies of the disks before collision T and after the collision T2. Express your answers in joules to three significant figures separated by a comma. vec T1. T2 = J

I Review Determine the velocity of the disk A just after collision. Express your answer to three significant figures and include the appropriate units. Disk A has a mass of 300 g and is sliding on a smooth horizontal surface with an initial velocity (va)ı = 5 m/s. It makes a direct collision with disk B, which has a mass of 150 g and is originally at rest. Both disks are of the same size and the collision is perfectly elastic (e = 1). (va)2 = 1.67 m v Correct Part B Determine the velocity of the disk B just after collision. Express your answer to three significant figures and include the appropriate units. HA ? (vB)2 = Value Units Part C Calculate the kinetic energies of the disks before collision T and after the collision T2. Express your answers in joules to three significant figures separated by a comma. vec T1. T2 = J

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Conservation of Energy

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Question

I Review
Determine the velocity of the disk A just after collision.
Express your answer to three significant figures and include the appropriate
units.
Disk A has a mass of 300 g and is sliding on a
smooth horizontal surface with an initial velocity
(va)ı = 5 m/s. It makes a direct collision with disk
B. which has a mass of 150 g and is originally at
rest. Both disks are of the same size and the
collision is perfectly elastic (e = 1).
(vA)2 = 1.67 m
v Correct
Part B
Determine the velocity of the disk B just after collision.
Express your answer to three significant figures and include the appropriate
units.
HA
?
(vB)2 =
Value
Units
Part C
Calculate the kinetic energies of the disks before collision T and after the collision
T2.
Express your answers in joules to three significant figures separated by a
comma.
vec
T1. T2 =
J

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