In another solar system is planet Driff, which has 5 times the mass of the earth and also 5 times the radius.
How does the gravitational acceleration on the surface of Driff compare to the gravitational acceleration on the surface of the earth?
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d.7.5cm is your answer

as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

not copied too! hope this !

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distance = 150m

displ = root (50 ^2 + 100^2)

root(2500+10000)

root 125000

answer///scientific method;