-1 Three objects A,B and C are kept in a straight line on a frictionless horizontal surface. These have masses m, 2m and m, respectively. The object A moves towards B with a speed 9 ms and makes an elastic collision with it. Thereafter, B makes completely inelastic collision with C. All motions occur on the same straight line. Find the final speed (in ms ¹) of the object C. (2009) m 2m 8 m C
-1 Three objects A,B and C are kept in a straight line on a frictionless horizontal surface. These have masses m, 2m and m, respectively. The object A moves towards B with a speed 9 ms and makes an elastic collision with it. Thereafter, B makes completely inelastic collision with C. All motions occur on the same straight line. Find the final speed (in ms ¹) of the object C. (2009) m 2m 8 m C
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Transcribed Image Text:Three objects A,B and C are kept in a straight line on a
frictionless horizontal surface. These have masses m, 2m
and m, respectively. The object A moves towards B with a
speed 9 ms¹ and makes an elastic collision with it.
Thereafter, B makes completely inelastic collision with C.
All motions occur on the same straight line. Find the final
speed (in ms-¹) of the object C.
(2009)
m
A
2m
8
EU
m
C
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