The moment of inertia of a solid cylinder about its axis is given by 0.5MR2. If this cylinder rolls without slipping, the ratio of its rotational kinetic energy to its translational kinetic energy is
A) 1:2
B) 1:3
C) 2:1
D) 1:1
E) 3:1
A
You might also like to view...
Equilibrium: A 40-kg uniform ladder that is 5.0 m long is placed against a smooth wall at a height of h = 4.0 m, as shown in the figure. The base of the ladder rests on a rough horizontal surface whose coefficient of static friction with the ladder is 0.40. An 80-kg bucket is suspended from the top rung of the ladder, just at the wall. What is the magnitude of the force that the ladder exerts on the wall?
A. 740 N B. 1300 N C. 980 N D. 900 N E. 1100 N
Which of the following is not a general characteristic of the four jovian planets in our solar system?
A) They lack solid surfaces. B) They are composed mainly of hydrogen, helium, and hydrogen compounds. C) They are higher in average density than are the terrestrial planets. D) They are much more massive then any of the terrestrial planets.
The critical temperature to initiate the proton-proton cycle in the cores of stars is:
A) 3,000 K. B) 5,800 K. C) 2,300,000 K. D) 10 million K. E) 100 million K.
Although the entire universe may be much larger than our observable universe, we can see only within our observable universe. The "boundary" of our observable universe is called ________
A) the lookback time B) the Hubble Deep Field C) the cosmological horizon D) the Big Bang