Anewly discovered planet is found to have density 2/3 pe and radius 2re, where pe and re are the density and radius of the earth, respectively. the surface gravitational field of the planet is most nearly

a. 1.7 n/kg
b. 3.3 n/kg
c. 6.7 n/kg
d. 13 n/kg

hi,

what occurs during a solar eclipse?

there are small tides across earth.

the moon is between earth and the sun.

p.s. im not sure if the first answer is correct because during a solar ecliphse there are spring tides and i dont know if they are the same.

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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