Like latitude on Earth, ________ in the sky is measured in degrees north and south of the equator
Fill in the blank(s) with correct word
declination
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An incompressible fluid is flowing through a vertical pipe with a constriction. The wide section is 2.00 cm in diameter and is at the top of the pipe. The pressure of the fluid in the wide section at the top is 200 kPa. The velocity of the fluid in the wide section is 4.00 m/s. The narrow section is located 4.00 m below the wide section. What is the diameter of the narrow section for the pressure of the fluid in the narrow section to equal the pressure in the wide section? (density of the fluid is 1000
A. 1.50 cm B. 1.36 cm C. 1.28 cm D. 1.12 cm E. 1.00 cm
It is summer in the Northern Hemisphere when
A) the Northern Hemisphere is located closer to the Sun than the Southern Hemisphere. B) the Northern Hemisphere is tilted toward the Sun and the Southern Hemisphere is tilted away. C) Earth is at its nearest point to the Sun along its orbit. D) Earth's axis points toward the North Star, Polaris.
A fancy sports car moves past an observer on a corner at a speed of 0.600c. When the observer indicates a one-second interval has passed, what time interval will be shown on the driver's watch?
A. 1.67 s B. 0.800 s C. 1.25 s D. 0.600 s E. 1.00 s
Monochromatic light (? = 500 nm) is incident on a soap bubble (n = 1.4) that is 50 mm thick. What is the change of phase of the light reflected from the front surface?
A. 0 B. 180° C. ?/2 D. ?/2 E. 55°