The density of Mars is very similar to that of the other terrestrial planets
Indicate whether the statement is true or false
FALSE
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An atom that has fewer electrons than protons is called a/an
A) molecule. B) solid. C) ion. D) plasma.
The period of a satellite circling planet Nutron is observed to be 84 s when it is in a circular orbit with a radius of 8.0 × 106 m. What is the mass of planet Nutron?
A. 6.2 × 1028 kg B. 5.0 × 1028 kg C. 5.5 × 1028 kg D. 4.3 × 1028 kg E. 3.7 × 1028 kg
A process for producing a product like a rubber glove is
(a) Injection molding (b) Extrusion (c) Slush casting (d) Calendaring
The radius of the earth’s (almost circular) orbit around the sun is 150,000,000 km, and it takes 1 y for the earth to go around the sun. Imagine that a certain satellite goes in an almost circular orbit of radius 15,000 km around the earth (this radius is 10,000 times smaller than the earth’s orbital radius around the sun). What is the period of this orbit?
A. 10-6 y B. 10-4 y C. 10-3 y D. 106 y E. These periods are not related in any simple way.