Author Question: Two cyclists who weigh the same and have identical bicycles ride up the same mountain, both starting ... (Read 60 times)

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
Two cyclists who weigh the same and have identical bicycles ride up the same mountain, both starting at the same time. Joe rides straight up the mountain, and Bob rides up the longer road that has a lower grade. Joe gets to the top before Bob.
 
  Ignoring friction and wind resistance, which one of the following statements is true? A) The amount of work done by Joe is equal to the amount of work done by Bob, but the average power exerted by Joe is greater than that of Bob.
  B) The amount of work done by Joe is greater than the amount of work done by Bob, and the average power exerted by Joe is greater than that of Bob.
  C) Bob and Joe exerted the same amount of work, and the average power of each cyclist was also the same.
  D) The average power exerted by Bob and Joe was the same, but Joe exerted more work in getting there.

Question 2

Which of the following numbers is the smallest?
 
  A) 15  10-3
  B) 0.15  100
  C) 0.00015  103
  D) 0.00000015  106


lindahyatt42

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

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

For a complete list of videos, visit our video library