Multiple Choice
A uniform solid sphere of mass M and radius R rotates with an angular speed ω about an axis through its center. A uniform solid cylinder of mass M, radius R, and length 2R rotates through an axis running through the central axis of the cylinder. What must be the angular speed of the cylinder so it will have the same rotational kinetic energy as the sphere?
A) 2ω/5
B) ω
C) 4ω/5
D) 2ω/
E) ω/
Correct Answer:

Verified
Correct Answer:
Verified
Q4: A 4.50-kg wheel that is 34.5 cm
Q6: A futuristic design for a car is
Q7: A machinist turns the power on to
Q10: In the figure, point P is at
Q12: At any angular speed,a certain uniform solid
Q12: The angular acceleration of a wheel is
Q13: A dumbbell-shaped object is composed by two
Q14: An extremely light rod 1.00 m long
Q18: A horizontal disk rotates about a vertical
Q19: As you are leaving a building,the door