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5. Three spheres A, B and C, of equal radii and of masses 3m, 2m and m respectively, lie on a smooth horizontal table with B between A and C and their centres in straieht line. The coefficient of restitution between each pair of spheres is. A is projected with speed 20 ms' to collide with B directly and 8 subsequently collides with C directly. (a) Find the speed of each sphere after each collision, (b) Prove that there will be only two collisions.

5. Three spheres A, B and C, of equal radii and of masses 3m, 2m and m respectively, lie on a smooth horizontal table with B between A and C and their centres in straieht line. The coefficient of restitution between each pair of spheres is. A is projected with speed 20 ms' to collide with B directly and 8 subsequently collides with C directly. (a) Find the speed of each sphere after each collision, (b) Prove that there will be only two collisions.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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5. Three spheres A, B and C, of equal radii and of masses 3m, 2m and m respectively, lie on a smooth horizontal table with B between A and C and their centres in straieht line. The coefficient of restitution between each pair of spheres is . A is projected with speed 20 ms' to collide with B directly and B subsequently collides with C directly. (a) Find the speed of each sphere after each collision, (b) Prove that there will be only two collisions.
Transcribed Image Text:5. Three spheres A, B and C, of equal radii and of masses 3m, 2m and m respectively, lie on a smooth horizontal table with B between A and C and their centres in straieht line. The coefficient of restitution between each pair of spheres is . A is projected with speed 20 ms' to collide with B directly and B subsequently collides with C directly. (a) Find the speed of each sphere after each collision, (b) Prove that there will be only two collisions.
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