A 60 kg boy and a 40 kg girl both wearing skates face
A 60 kg boy and a 40 kg girl both wearing skates face eachother at rest on a frictionless ice surface. The boy then pushes the girl away sending her eastward with a speed of 4 m/s. what is the resulting speed and direction of the boy?
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a 11 kg block of ice is initially at a temperature of -5degc if 48 105 j of heat are added to the ice what is the
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a 450-kg girl is standing on a 144-kg plank the plank originally at rest is free to slide on a frozen lake which is a
a 60 kg boy and a 40 kg girl both wearing skates face eachother at rest on a frictionless ice surface the boy then
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the make a way foundation has run into a financial crisis halfway into their fiscal year the financier has realized
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