Why do asteroids and comets differ in composition?
A) Asteroids formed inside the frost line, while comets formed outside.
B) Asteroids and comets formed at different times.
C) Comets formed from the jovian nebula, while asteroids did not.
D) Comets are much larger than asteroids.
E) Asteroids are much larger than comets.
A
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Which is the smallest?
A. The distance from the Sun to its nearest neighboring star B. The distance from the Sun to the Andromeda Galaxy C. The distance from the Sun to the Virgo cluster of galaxies D. The distance from the Sun to the center of the Milky Way Galaxy E. The Solar System.
A baseball (1 kg) has an energy of 100 joules. If its uncertainty in position is 1 m, what is the percentage uncertainty (?p/p × 10^0) in the momentum of the baseball?
a. <<1% b. 1% c. 2% d. 5% e. 10%
The International Space Station is orbiting at an altitude of about 370 km above the earth's surface. The mass of the earth is 5.97 × 1024 kg, the radius of the earth is 6.38 × 106 m, and G = 6.67 × 10-11 N ? m2/kg2
Assuming a circular orbit, (a) what is the period of the International Space Station's orbit? (b) what is the speed of the International Space Station in its orbit?
What must be included in the title used on a graph?