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 100 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?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

As a result of this change, deoxyhemoglobin S As a result of this change, deoxyhemoglobin S
SDS PAGE Result SDS PAGE Result
Two transesterification reactions that result in splicing of exons in pre-mRNA Two transesterification reactions that result in splicing of exons in pre-mRNA
Inside ankle press. Place the heel of your left hand on the ball of the recipient’s right foot, ... Inside ankle press. Place the heel of your left hand on the ball of the recipient’s right foot, ...
Barry Bonds hits a 125m (450') home run that lands in the stands at an altitude 30m above its ... Barry Bonds hits a 125m (450') home run that lands in the stands at an altitude 30m above its ...
Giant Puff Ball Giant Puff Ball
Video: Dissociative Disorders (Part 1)

For a complete list of videos, visit our video library