Home › AP EAPCET (Engineering) › Physics › Gravitation › A planet orbits at 4 times Earth's distance from…
A planet orbits at 4 times Earth's distance from the Sun. Its period is about how many Earth years?
A4
B16
C64
D8
Answer & Solution
Correct answer: D. 8
T^2 is proportional to a^3, so T = 4^(3/2) = 8 years.
Related questions
The 1774 Schiehallion experiment compared Earth's pull with that of a?In general relativity, gravitation is described as an attribute of?The force each of two masses exerts on the other is?Across Earth's surface, free-fall acceleration varies roughly between?Earth's measured g at a point combines gravitation with which effect?The conventional standard value of g is defined exactly as?Within one gravitational field, how do bodies of different mass accelerate in vacuum?Gravitational acceleration is the acceleration of an object in?