A man is marooned at rest on level frictionless ice. In desperation, he hurls his shoe to the right at 4.1m/s. If the man weighs 385 N and the shoe weighs 2.1N, the man moves to the left with a speed of...
"F_1v_1=F_2v_2,"
"v_2=v_1\\frac{F_1}{F_2}=2.2~\\frac{cm}s."
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