Two blocks, m1 = 1.0 kg and m2 = 2.0 kg, are connected by a light string as shown in the figure. If the radius of the pulley is 1.0 m and its rotational inertia is 5.0 kg?m2, the acceleration of the system is
?
?
A. (1/6)g
B. (3/8)g
C. (1/8)g
D. (1/2)g
E. (5/8)g
Answer: C
You might also like to view...
Why do we think there is a lot of dark matter in clusters of galaxies?
A.) Individual galaxies are moving so fast that they could not be held together by the gravity of visible matter. B.) We've detected some of it with dark matter telescopes. C.) Gravitational lensing lets us measure mass even when we can't see it. D.) A, B, and C. E.) A and C.
A rough surface for infrared waves may be polished for
A) radio waves. B) light waves. C) both of these D) neither
Consider a situation where two moving objects collide and rebound from each other. The energy of a ball rolling up an inclined plane
a. is entirely kinetic b. is entirely potential c. is both kinetic and potential d. none of the above
The belts of Jupiter are best described as :
A) regions of downward moving material and low pressure. B) regions of upward moving material and low pressure. C) regions of upward moving material and high pressure. D) regions of downward moving material and high pressure. E) turbulent regions with no organized circulation pattern.