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There object A ,B and C are kept is a st...

There object `A ,B` and `C` are kept is a straing line a fritionlas horizental surface . These have masses have increase on `2m` and `m` repectively . The object `A` move toward `B` with a speed `9` m//s and makes as electic collision with a there after `B` makes complately inclesis with `C` . All motion over on the same strangth line . Find the first speed of the object `C`

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Knowledge Check

  • Three objects A , B and C are kept in a straight line on a smooth horizontal surface. These have masses m , 2m and 3 m , respectively . The head - on elastic collision takes place between A and B and then B makes completely inelastic collision with C . All motions occur on the same straight line. The final speed of C will be

    A
    `(v_(0))/(15)`
    B
    `(2v_(0))/(15)`
    C
    `(3v_(0))/(15)`
    D
    `(4 v_(0))/(15)`

  • An object of mass 6 kgis sliding on a frictionless horizontal surface with a uniform speed of 3 m/s. the force required to keep the object moving at the same speed along the same straight line is

    A
    27 N
    B
    18 N
    C
    54 N
    D
    0 N

  • An object of mass 6 kg is sliding on a frcitionless horizontal surface with a uniform speed of 3 m/s. The force required to keep the object moving at the same speed along the same straight lineis

    A
    27 N
    B
    18 N
    C
    54 N
    D
    0 N