Question

1. Momentum and Collisions a) Hold a tennis ball side by side and in contact with a basketball. Drop the balls together. (Be careful!) What happens? Explain your observations. Now hold the tennis ball above and in contact with the basketball. What happened? Explain your observations. What do you think will happen if the basketball ball is held above and in contact with the tennis ball? b) If you throw a basketball hard and it goes straight horizontally in positive x-direction, you would feel a push-back with your arm and upper body. I you happen to throw a ball while staying on ice (so friction does not keep your body from moving back), your body would literary slide back. Calculate the recoil velocity you would experience if you throw a 0.5 kg basketball with a speed of your choice (normally within 2.0-2.5 m/s).

          1. Momentum and Collisions
a) Hold a tennis ball side by side and in contact with a basketball. Drop the balls together. (Be careful!) What happens? Explain your observations. Now hold the tennis ball above and in contact with the basketball. What happened? Explain your observations. What do you think will happen if the basketball ball is held above and in contact with the tennis ball?
b) If you throw a basketball hard and it goes straight horizontally in positive x-direction, you would feel a push-back with your arm and upper body. I you happen to throw a ball while staying on ice (so friction does not keep your body from moving back), your body would literary slide back. Calculate the recoil velocity you would experience if you throw a 0.5 kg basketball with a speed of your choice (normally within 2.0-2.5 m/s).

1. Momentum and Collisions
a) Hold a tennis ball side by side and in contact with a basketball. Drop the balls together. (Be careful!) What happens? Explain your observations. Now hold the tennis ball above and in contact with the basketball. What happened? Explain your observations. What do you think will happen if the basketball ball is held above and in contact with the tennis ball?
b) If you throw a basketball hard and it goes straight horizontally in positive x-direction, you would feel a push-back with your arm and upper body. I you happen to throw a ball while staying on ice (so friction does not keep your body from moving back), your body would literary slide back. Calculate the recoil velocity you would experience if you throw a 0.5 kg basketball with a speed of your choice (normally within 2.0-2.5 m/s).

Added by Paul B.

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