The oldest rocks found on the Earth's surface date back about ________ billion years
A) one
B) two
C) three
D) four
E) four and a half
D
Physics & Space Science
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How did the geocentric model and the heliocentric model of the universe explain retrograde motion?
What will be an ideal response?
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Planet Roton has a mass of 4.0 × 10^23 kg and a radius of 2.0 × 10^6 m. With what speed should a space probe be launched from the surface of Roton so as to achieve a maximum distance of 3.0 × 10^6 m from the center of Roton?
a. 4.2 km/s b. 3.9 km/s c. 3.0 km/s d. 3.4 km/s e. 6.0 km/s
Physics & Space Science
A certain radio wave has a frequency of 1.03 MHz. What is the wavelength?
Physics & Space Science
Gauss's law may be applied only to charge distributions that are symmetric
Indicate whether the statement is true or false
Physics & Space Science