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A child in a boat throws a 6.00 kg package out horizontally with a speed of 10.0 m/s. Calculate the?
A child in a boat throws a 6.00 kg package out horizontally with a speed of 10.0 m/s. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 27.0 kg and that of the boat is 60.0 kg. Ignore water resistance.
find
Magnitude direction
conservation of momentum.
momentum of package is 6x10 = 60 kgm/s
boat and contents weighs 27+60 = 87 kg
so velocity of boat is 60/87 = 0.69 m/s
direction is opposite that of the thrown package.
.
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