The Earth is 93.0 million miles from the Sun and its period of revolution is 1 year = 3.15 × 10^7 s. What is the acceleration of the Earth in its orbit about the Sun?
a. 18.6 mi/s2
b. 9.30 × 10^?3 mi/s2
c. 13.6 × 10^?6 mi/s2
d. 3.70 × 10^?6 mi/s2
d
Physics & Space Science
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Fill in the blank(s) with correct word
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Which of a planet's fundamental properties has the greatest effect on its level of volcanic and tectonic activity?
a. size b. distance from the Sun c. rotation rate
Physics & Space Science
The statement by Newton that "for every action there is an opposite but equal reaction" is regarded as which of his laws of motion?
a. first c. third b. second d. fourth
Physics & Space Science
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a. sleet. b. rain. c. hail. d. fog.
Physics & Space Science