Neptune has an orbital period of 165 years.What is its orbital velocity? [This question requires the use of mathematics.The value of the gravitational constant is 6.67*10-11 Nt m2 kg-2.]
A) 5.4 m/sec
B) 5400 km/s
C) 11.2 km/s
D) 16.5 km/s
E) 5.4 km/sec
Correct Answer:
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