A relationship such as 1 in. = 2.54 cm is a(n)
a. equivalence statement.
b. base unit.
c. derived unit.
d. fundamental quantity.
a
Physics & Space Science
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Radio telescopes are _____
A) reflecting telescopes B) refracting telescopes C) infrared telescopes D) optical telescopes
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Two small objects, with masses m and M, are originally a distance r apart, and the magnitude of the gravitational force on each one is F. The masses are changed to 2m and 2M, and the distance is changed to 4r
What is the magnitude of the new gravitational force? A) F/16 B) F/4 C) 16F D) 4F E) F/2
Physics & Space Science
Kepler's first law of planetary motion is known as the law of ______________ paths
Fill in the blank(s) with correct word
Physics & Space Science
Which unit is a unit of power?
a. The volt. b. The ampere. c. The ohm. d. The watt. e. The joule.
Physics & Space Science