Physics
Physics, 27.02.2020 03:34, brianamcorchadp

28) 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.

answer
Answers: 3

Other questions on the subject: Physics

image
Physics, 21.06.2019 21:00, danidavis2002
In order to place a satellite into orbit, it requires enough fuel to supply the necessary mechanical energy. into what types of mechanical energy does the fuel get transformed?
Answers: 1
image
Physics, 22.06.2019 05:50, gabigraceberg
High schoolphysics 5+3 pts a neon light consists of a glass tube with metal wires at each end. when connected to a high-voltage source, the gas glows. if a fly lands on the glass tube, what will most likely happen? a) the fly will not feel a shock because the glass conducts any free electrons back into the gas. b) electrons will flow directly from the metal wires along the glass and shock the fly. c) the fly will not feel a shock because the glass insulates it from the electrons in the gas and the metal. d) electrons that are moving through the gas will be conducted through the glass and shock the fly.
Answers: 3
image
Physics, 22.06.2019 19:00, arianaaldaz062002
According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?
Answers: 3
image
Physics, 22.06.2019 19:30, chelseayazzie16
What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical
Answers: 2
Do you know the correct answer?
28) Two cyclists who weigh the same and have identical bicycles ride up the same mountain, both star...

Questions in other subjects: