1.

The magnitude of the Sun's gravitational field as experienced by Earth is:

Answer»

same over the year
decreases in the month of January and INCREASES in the month of July
decreases in the month of July and increases in the month of January
increases during day time and decreases during night time.

Solution :GRAVITATIONAL field `vec(E)=-(GM)/(R^2)hat(r)`
It depends on the distance r that VARY from January to July.


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