« previous next »

Author Question: A baseball batter hits an incoming 45.0-m/s fastball. The ball leaves the bat at 56.0 m/s after a ... (Read 40 times)

haleyc112

  • Hero Member
  • *****
  • Posts: 600
on: Jul 28, 2018
A baseball batter hits an incoming 45.0-m/s fastball. The ball leaves the bat at 56.0 m/s after a ball-on-bat contact time of 0.040 s. What is the force exerted on the 0.25-kg baseball?
 a. 631 N
  b. 68.8 N
  c. 350 N
  d. 16.2 N
  e. 281 N

Question 2

A shot-putter moves his arm and the 6.00-kg shot through a distance of 1.25 m, giving the shot a velocity of 8.20 m/s from rest. Find the average force exerted on the shot during this time.
 a. 323 N
  b. 161 N
  c. 118 N
  d. 12.7 N
  e. 252 N


beccamahon

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Conifer leaves Conifer leaves
There is no photosynthesis in deciduous leaves in autumn. There is no photosynthesis in deciduous leaves in autumn.
Sam Houston—and his horse—earned this heroic tribute. At the Battle of San Jacinto, a musket ball sh Sam Houston—and his horse—earned this heroic tribute. At the Battle of San Jacinto, a musket ball sh
Glowing Base Of Tree Made By Arranging Leaves Glowing Base Of Tree Made By Arranging Leaves
A BQM-74E drone as it leaves the flight deck of a missile frigate. A BQM-74E drone as it leaves the flight deck of a missile frigate.
Video: Fermentation pathways

For a complete list of videos, visit our video library