Rotational Kinetic Energy: Suppose a solid uniform sphere of mass M and radius R rolls without slipping down an inclined plane starting from rest. The angular velocity of the sphere at the bottom of the incline depends on
A. the mass of the sphere.
B. the radius of the sphere.
C. both the mass and the radius of the sphere.
D. neither the mass nor the radius of the sphere.
Answer: B
You might also like to view...
What can investigators use the law of conservation of momentum to determine from the details at the scene of a car accident?
a. Which, if any, of the two cars were motionless when it was hit. b. Whether or not the driver was drunk. c. Which direction the hit-and-run driver went off in. d. Whether either of the cars was over the speed limit. e. How many people were in each car.
To scale, if Earth were the size of a basketball, then the Moon would be about
A) 5 feet away. B) 10 feet away. C) 20 feet away. D) 80 feet away.
The three principal sources of the internal heat of terrestrial planets are
A) accretion, differentiation, and eruption. B) accretion, differentiation, and radioactivity. C) convection, differentiation, and eruption. D) conduction, convection, and eruption. E) conduction, differentiation, and accretion.
What are the clouds of Uranus composed of?
a. hydrogen b. helium c. carbon dioxide d. methane e. sulfur