This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A batter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball ... (Read 83 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
on: Jul 29, 2018
A batter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. The ball remains in contact with the bat for 2.0 ms.
 
  What is the magnitude of the average force exerted by the bat on the ball?

Question 2

What is the mass of a ball moving at 3 m/s with a momentum of 48 kgm/s?
 
  A) 4 kg
  B) 12 kg
  C) 16 kg
  D) 144 kg
  E) none of these


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

emilymalinowski12

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 29, 2018
Answer to Question 1

4900 N

Answer to Question 2

Answer: C


littleanan

  • Hero Member
  • *****
  • Posts: 575
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


emilymalinowski12

  • Sr. Member
  • ****
  • Posts: 338
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

A pair of humpback whales lunge feeding through a bait ball A pair of humpback whales lunge feeding through a bait ball
Comparison of the level of skin damage as a result of the three different degrees of burns. Comparison of the level of skin damage as a result of the three different degrees of burns.
A 2-fold serial dilution showing the result of moving 0.2 ml of green food coloring successively ... A 2-fold serial dilution showing the result of moving 0.2 ml of green food coloring successively ...
a) Type IV hypersensitivity reaction, contact dermatitis as the result of reaction to the nickel in ... a) Type IV hypersensitivity reaction, contact dermatitis as the result of reaction to the nickel in ...
Approaching the client for the ophthalmoscopic exam Approaching the client for the ophthalmoscopic exam
A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ... A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ...
Video: Bond in biological molecules (Ionic, Covalent and Hydrogen bonds)/ How atoms bond?

For a complete list of videos, visit our video library