The main ingredients of most satellites of the jovian planets are
a. rock and metal.
b. hydrogen compound ices.
c. hydrogen and helium.
Ans: c. Hydrogen compound ices.
Physics & Space Science
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The long, heavy tail of a spider monkey enables the monkey to easily vary its
A) weight. B) momentum. C) inertia. D) center of gravity. E) none of the above
Physics & Space Science
The ionic compound made of Fe3+ and CO32- ions would have the formula
a. Fe3(CO3)2. b. FeCO3. c. Fe2(CO3)3. d. none of these
Physics & Space Science
A pole-vaulter clears 5.00 m. With what speed does he strike the mat in the landing area?
a. 2.70 m/s c. 10.8 m/s b. 9.90 m/s d. 21.6 m/s
Physics & Space Science
If the dielectric breakdown field in air is 3 × 10^6 V/m, what potential difference is involved with a 3 cm spark?
a. 1.0 × 10^8 V c. 9 × 10^4 V b. 9 × 10^6 V d. 1.0 × 10^10 V
Physics & Space Science