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 44 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?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

For a complete list of videos, visit our video library