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Author Question: You are standing on a skateboard, initially at rest. A friend throws a very heavy ball towards you. ... (Read 33 times)

P68T

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on: Jul 29, 2018
You are standing on a skateboard, initially at rest. A friend throws a very heavy ball towards you.
 
  You have two choices about what to do with the ball: either catch the ball or deflect it back toward your friend with the same speed as it was originally thrown. Which choice should you make in order to maximize your speed on the skateboard?
  A) Deflect the ball back.
  B) Catch the ball.
  C) Your final speed on the skateboard will be the same regardless whether you catch the ball or deflect the ball.

Question 2

Two friends are standing on opposite ends of a canoe that is initially at rest with respect to a frictionless lake. The person in the front throws a very massive ball toward the back, and the person in the back catches it.
 
  After the ball is caught, the canoe is
  A) stationary. B) moving backward. C) moving forward.
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marict

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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P68T

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Reply 2 on: Jul 29, 2018
Excellent

tranoy

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Reply 3 on: Yesterday
Gracias!

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