Of the Jovian satellites, which shows the oldest, most cratered surface?
A) Miranda B) Callisto C) Enceladus D) Ganymede E) Triton
B
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A string on a violin is stretched between two points 20.00 cm apart with a tension of 120.0 N. The mass/length of the string is 0.002000 kg/m. The frequency of the mode next higher than the fundamental mode is
A. 1,400 Hz. B. 1,322 Hz. C. 1,225 Hz. D. 1,558 Hz. E. 2,120 Hz.
While you stand on the floor you are pulled downward by gravity, and supported upward by the floor. Gravity pulling down and the support force pushing up
A) make an action-reaction pair of forces. B) do not make an action-reaction pair of forces. C) need more information
The primary purpose of a telescope is to
A) collect a large amount of light and bring it into focus. B) magnify distant objects. C) separate light into its component wavelengths. D) measure the brightness of stars very accurately. E) make distant objects appear nearby.
If you observe the night sky in the direction of the North Star, you will observe that
A) the other stars near the north star move along clockwise circles around the north star during the night. B) the north star moves westward across the sky during the night. C) the other stars near the north star move in straight lines from east to west during the night. D) the other stars near the north star move along counterclockwise circles around the north star during the night. E) the north star moves eastward across the sky during the night.