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 66 times)

luminitza

  • Hero Member
  • *****
  • Posts: 555
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

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

a

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

For a complete list of videos, visit our video library