two workers are sliding 260 kg crate across the floor. one worker pushes forward on the crate with a force of 450 n while the ot
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0.078 times the orbital radius r of the earth around our sun is the exoplanet's orbital radius around its sun.
Answer: Option B
<u>Explanation:</u>
Given that planet is revolving around the earth so from the statement of centrifugal force, we know that any
The orbit’s period is given by,
Where,
= Earth’s period
= planet’s period
= sun’s mass
= earth’s radius
Now,
As, planet mass is equal to 0.7 times the sun mass, so
Taking the ratios of both equation, we get,
Given and