subject
Physics, 20.03.2020 23:33 zakarycrane9576

A cockroach of mass m lies on the rim of a uniform disk of mass 6.00*m that can rotate freely about its center. Initially the cockroach and disk rotate together with an angular velocity of 0.362 rad/s. The the cockroach walks halfway to the center of the disk.

(a) what then is the angular velocity of the cockroach-disk system?

(b) What is the ratio of the new kinetic energy of the system to its initial kinetic energy?

ansver
Answers: 3

Another question on Physics

question
Physics, 22.06.2019 10:00
** urgent** the voltage across the primary winding is 350,000 v, and the voltage across the secondary winding is 17,500 v. if the secondary winding has 600 coils, how many coils are in the primary winding? a- 30 coilsb- 583 coilsc- 12,000 coilsd- 332,500 coils
Answers: 1
question
Physics, 22.06.2019 13:20
Which of the following is the main energy source for the sun? a. fission of hydrogen b. fusion of hydrogen c. fusion of helium d. fission of iron
Answers: 2
question
Physics, 22.06.2019 22:30
When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?
Answers: 3
question
Physics, 22.06.2019 23:40
What is the magnitude of the gravitational force acting on the earth due to the sun?
Answers: 1
You know the right answer?
A cockroach of mass m lies on the rim of a uniform disk of mass 6.00*m that can rotate freely about...
Questions
question
Mathematics, 23.08.2019 23:20
question
Biology, 23.08.2019 23:20
Questions on the website: 13722367