Skater final velocity
A skater of mass 70.5 kg initially moves in a straight line at a speed of 4.80 m/s. The skater approaches a child of mass 41.5 kg, whom he lifts on his shoulders. Assuming there are no external horizontal forces, what is the skater's final velocity?
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A skater of mass 70.5 kg initially moves in a straight line at a speed of 4.80 m/s. The skater approaches a child of mass 41.5 kg, whom he lifts on his shoulders. Assuming there are no external horizontal forces, what is the skater's final velocit
A frog in a hemispherical bowl finds that he just floats without sinking in a fluid whose density is 1.35g/cm^3. If the bowl has a radius of 6.0 cm and negligible mass, what is the mass of the frog?
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