The ratio of a mineral sample's weight to the weight of an equal volume of water is called the mineral's ______________
Fill in the blank(s) with correct word
specific gravity
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Which of the following most clearly distinguishes asteroids and comets from planets?
A) Asteroids and comets are much smaller than planets. B) Asteroids and comets are made of different materials than any planets. C) Unlike planets, asteroids and comets do not orbit the Sun. D) Asteroids and comets are only found at much greater distances from the Sun than planets.
An object can move even when no force acts on it
1.True 2.False
Density: A round coin has a diameter of 19.55 mm, a thickness of 1.55 mm, and a mass of 2.50 g. What is its density?
A. 5.37 × 103 kg/m3 B. 21.5 × 103 kg/m3 C. 1.34 × 103 kg/m3 D. 2.68 × 103 kg/m3 E. 1.86 × 10-4 kg/m3
If 480 C pass through a 4.0-? resistor in 10 min, what is the potential difference across the resistor?
a. 3.6 V b. 2.8 V c. 2.4 V d. 3.2 V e. 5.0 V