Ask Question
PhysicsPhysics
8 September, 12:38

Two physics professors challenge each other to a 100 m race across a football field. The loser will grade the winner's lab reports for a month. Dr. Nelson runs the race is 10.40s. Dr. Bay runs the first 25.0 m with an average speed of 10.0 m/s, he next 50.0 m with an average speed of 9.50 m/s, and the last 25.0 m with an average speed of 11.1 m/s. Who is the winner?

+3
Answers (2)
  1. 8 September, 15:04
    0
    If Dr. Nelson's simple average speed all the way is 10.40 m/s

    And Dr. Bay's average speed would be x=100 / (10.0/4+9.5/2+11.1/4) = 400/40.1=4000/401=9.9m/s

    then he would be first in line
  2. 8 September, 15:47
    0
    Answer: Dr. Nelson

    Explanation:

    The velocity of Dr. Nelson = Distance of the race / time taken to complete the race

    V = 100/10.40 = 9.615m/s

    The average velocity of Dr. Bay is

    10 + 9.50 + 11.1 / 3 = 10.2m/s

    Comparing the average speed of the two racers, Dr. Nelson finished the race with 9.615m/s and Dr. Bay finished with 10.2m/s. Therefore Dr. Nelson won the race
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Two physics professors challenge each other to a 100 m race across a football field. The loser will grade the winner's lab reports for a ...” in 📘 Physics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
Which of these will reflect light with the highest frequency? O O O O an orange basketball a blue candle a green ribbon a yellow banana
Answers (1)
What type of power plant is virtually pollution free
Answers (1)
A hammer is dropped on PlanetX. If the hammer has a mass of 3kg and a weight of 9n, what is the gravitational acceleration of Planet X and is it more or less than that of earth?
Answers (1)
Here is a widely publicized, true story about how failing to convert units resulted in a huge loss. in 1998, the mars climate orbiter probe, instead of entering orbit, crashed into the surface of mars.
Answers (1)
Pluto's orbit sometimes causes this planet to be the ninth, and not the eighth, body from the Sun. a. Uranus c. Neptune b. Saturn d. Jupiter
Answers (1)
New Questions in Physics
Is a lung a living organism, why or why not?
Answers (1)
A wire carries a steady current of 2.20 A. A straight section of the wire is 0.750 m long and lies along the y axis within a uniform magnetic field, vector B = 1.70 k T.
Answers (1)
A 5.00-kg howler monkey is swinging due east on a vine. It overtakes and grabs onto a 6.00-kg monkey also moving east on a second vine. The first monkey is moving at 10.0 m/s at the instant it grabs the second, which is moving at 7.00 m/s.
Answers (1)
One of the heating systems we talked about in this course comprises of a system of ducts. What is the process by which heat is transferred in this system? a. Conduction b. Convection c. Radiation d. None of the above
Answers (1)
If the north pole of a magnet in a compass is attracted to Earth's geographic north, what must be the polarity of Earth's magnetic north pole? A. north B. south C. It can't be determined from the information given.
Answers (1)
Home » Physics » Two physics professors challenge each other to a 100 m race across a football field. The loser will grade the winner's lab reports for a month. Dr. Nelson runs the race is 10.40s. Dr. Bay runs the first 25.0 m with an average speed of 10.
Sign Up Forgot Password?