The two rotating systems shown in the figure differ only in that the two identical movable masses are positioned at different distances from the axis of rotation
If you release the hanging blocks simultaneously from rest, and if the ropes do not slip, which block lands first?
A) The block at the left lands first.
B) The block at the right lands first.
C) Both blocks land at the same time.
Answer: B
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The rise in ocean levels is due to
A) warmer water. B) melting of ice on land that flows into the ocean. C) both of these D) none of the above
The combination of two separated point charges of opposite sign but equal magnitude is called an electric:
a. monopole. b. dipole. c. quadrapole. d. magnapole.
Farsightedness can usually be corrected with
A) convex lenses. B) concave lenses. C) convex mirrors. D) cylindrical lenses. E) concave mirrors.
All neutrinos are left handed
Indicate whether the statement is true or false