You throw a 10.0 kg pumpkin with a velocity of 1.00 m/s at your friend who is standing on a stationary skateboard. He catches the pumpkin and begins to roll away. The mass of your friend plus his skateboard is 70 kg. What is your friend's speed after he catches the pumpkin? Select one: a. 0 m/s b. 12.5 m/s c. 0.125 m/s d. 1.00 m/s

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To solve this problem we can use the principle of conservation of momentum which states that the tot... View the full answer