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 131 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?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

For a complete list of videos, visit our video library