A boat of mass 180kg carries two swimmers of mass 50kg and 80 kg respectively. The boat is initially floating
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A boat of mass 180kg carries two swimmers of mass 50kg and 80 kg respectively. The boat is initially floating

[From: ] [author: ] [Date: 12-07-09] [Hit: ]
-Use conservation of momentum considering a system of the two men and boat.Let the right hand side, x direction, be positive,Initial net momentum before jumping = final net momentum after jumping.Initially,......
rest when two swimmers dive off opposite ends simultaneously, each with a horizontal velocity of 3,0 m.s^-1 relative to the water.

With what velocity and in which direction will the boat start to move immediately after the swimmers have dived off?

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Use conservation of momentum considering a system of the two men and boat.

Let the right hand side, x direction, be positive, then:
Initial net momentum before jumping = final net momentum after jumping.

Initially, assuming th boat is at rest (the question doesn't say) momentum is zero. Add the sum of m*v for each respective object and solve for the unknown variable v for the boat.
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