Author Question: Jasper takes two books of mass m1 and m2 off the floor and places them on a shelf at height h. The ... (Read 135 times)

dbose

  • Hero Member
  • *****
  • Posts: 597
Jasper takes two books of mass m1 and m2 off the floor and places them on a shelf at height h. The change in potential energy of the book with mass m1 is four times that of the book with mass m2 . What is the relationship between m1 and m2?
 a. m1 = 0.25m2
  b. m1 = 0.5m2
 c. m1 = 2m2
 d. m1 = 4m2

Question 2

A boat with mass of 1 200 kg is traveling at 12 m/s. What is the magnitude of the force required to stop the boat if it undergoes a displacement of 85 m?
 a. 2 000 N
  b. 170 N
  c. 8 500 N
  d. 1 000 N



dlook33

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

d

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Everyone has one nostril that is larger than the other.

For a complete list of videos, visit our video library