Author Question: A baseball infielder, mass 78.0 kg, jumps up with velocity 3.50 m/s and catches a 0.195-kg baseball ... (Read 63 times)

luminitza

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A baseball infielder, mass 78.0 kg, jumps up with velocity 3.50 m/s and catches a 0.195-kg baseball moving horizontally at 55.0 m/s. Of the following, which is closest to the final momentum of the system, infielder and baseball?
 a. 273 kg/m/s
  b. 328 kg/m/s
  c. 284 kg/m/s
  d. 240 kg/m/s
  e. 293 kg/m/s

Question 2

A 1 000-kg vehicle is moving in the positive y-direction along the y-axis at 10 m/s. A 2 000-kg vehicle is moving in the positive x-direction at along the x-axis at 20 m/s. The vehicles collide and stick together. They move as a single object in a direction  as measured counterclockwise from the x-axis immediately after the collision. What is the value of tan ?
 a. 2.0 b. 4.0
  c. 0.50 d. 0.25



bigcheese9

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Answer to Question 1

a

Answer to Question 2

d



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