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physics

In a football game, a receiver is standing still, having just caught a pass. Before he can move, a tackler, running at a velocity of 4.5m/s, grabs him. The tackler holds onto the receiver, and and the two move off together with a velocity of 2.6m/s. The mass of the tackler is 115kg. Assuming that momentum is conserved, find the mass of the receiver.

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  1. conservation of momentum applies

    Momentum tackler= momentumbothafter
    115*4.5=(115+M)2.6

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    bobpursley
  2. 65

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  3. 84.04kg

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