The Eocene is a geologic______________
Fill in the blank(s) with correct word
epoch
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What is the circular velocity of an object orbiting Earth at a distance of 100,000 km from Earth's center? Hint: ; G = 6.67 10^-11 m3/s2/kg
a. 0.2 m/s b. 2 m/s c. 20 m/s d. 200 m/s e. 2,000 m/s
Compound Microscope: The distance between the object to be viewed and the eyepiece of a compound microscope is 18.0 cm. The focal length of its objective lens is 0.80 cm and the eyepiece has a focal length of 2.3 cm. The near-point distance of the person using the microscope is 25.0 cm. What is the magnitude of the total magnification of the microscope if it is designed for minimum eyestrain?
A. 120 B. 184 C. 200 D. 360 E. 480
For all paths of Earth satellites, one focus of the path is
A) the location from which the satellite was launched. B) Earth's center. C) the Sun's center. D) need more information
Suppose a small, new planet were discovered at a distance of 4 AU from the Sun. According to Kepler's third law, what would be its period?