If the orbit of Mercury were perfectly circular, its rate of precession would be

A) larger than it is now.
B) smaller than it is now.
C) the same as it is now.
D) zero.


Answer: D

Physics & Space Science

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The spectral lines of a star indicate ionized helium is prominent, yet the star appears orange in color. Explain the problem with this and offer an explanation

What will be an ideal response?

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A bird, accelerating from rest at a constant rate, experiences a displacement of 37 m in 11 s. What is the final velocity after 11 s?

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