The geocentric model was based on the observation that ________.
A. crystalline spheres rotated through the sky
B. everything moves around Earth from east to west
C. the Sun and Moon were flawless spheres
D. Earth is motionless in space
E. the sphere was a divine shape
Answer: B
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The eight corners of a cubic lattice unit cell contribute ______________lattice point(s) to the unit cell.
Fill in the blank(s) with the appropriate word(s).
A charge of 2.00 ?C flows onto the plates of a capacitor when it is connected to a 12.0-V potential source. What is the minimum amount of work that must be done in charging this capacitor?
A) 6.00 µJ B) 24.0 µJ C) 12.0 µJ D) 144 µJ E) 576 µJ
A galvanometer has an internal resistance of 100 ? and deflects full-scale at 2.00 mA
What size resistor should be added to the galvanometer to convert it to a milliammeter capable of reading up to 4.00 mA, and how should this resistor be connected to the galvanometer? A) 50.0 ? in series with the galvanometer B) 50.0 ? in parallel with the galvanometer C) 75.0 ? in parallel with the galvanometer D) 100 ? in series with the galvanometer E) 100 ? in parallel with the galvanometer
The SI base units for the spring constant are which of the following?
a. Kg/s2 b. kg/m2 c. kg/s2 d. Kg/m2