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[400kg" .If the boat was intitally at re...

[400kg" .If the boat was intitally at rest,find the final velocity of the boat.Neglect friction: "],[" (A) "0.6m/s],[" A projectile of mass "3m" explodes at highest point of its path.It breaks into three equal parts."],[" One part retraces its path,the second one comes to rest.The range of the projectile was "100m],[" if no explosion would have taken place.The distance of the third part from the point of projection "],[" when it finally lands on the ground is: "]

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