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 87 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 first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Balloon angioplasty: (A) deflated balloon catheter is approaching an atherosclerotic plaque; (B) pla Balloon angioplasty: (A) deflated balloon catheter is approaching an atherosclerotic plaque; (B) pla
SDS PAGE Result SDS PAGE Result
Fire ant ball Fire ant ball
Two transesterification reactions that result in splicing of exons in pre-mRNA Two transesterification reactions that result in splicing of exons in pre-mRNA
OraQuick. A negative result would show a red line at the "C" mark, whereas a positive ... OraQuick. A negative result would show a red line at the "C" mark, whereas a positive ...
As a result of the pressure gradient in the following picture, what happens to transpiration? As a result of the pressure gradient in the following picture, what happens to transpiration?
Video: Exocytosis - secretion

For a complete list of videos, visit our video library