two forces are acting on a boat. one force of 400N is due to current in the river, acting downstream. the other force due to the
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Hope it cleared your doubt.
To solve this problem it is necessary to apply the equations related to the conservation of momentum.
This definition can be expressed as
Where
= Mass of each object
= Initial Velocity of each object
= Final velocity
Rearranging the equation to find the final velocity we have,
Our values are given as
Replacing we have,
Therefore the final velocity is 6.5m/s