4) During a lunar eclipse, the sun, earth and the moon are in a straight line
shown below.
The mass of the earth is 5.972 x 1024 kg. The mass of the sun is 1.989 x 1030 kg
and is 1.48 x 1011 m away from earth. The mass of the moon is 7.35 x 1022 kg and is
3.84 x 108 m away from earth. During the solar eclipse, what is the net force on
the earth?
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Which form of pure carbon is so hard that it can be used in cutting tools?
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4) During a lunar eclipse, the sun, earth and the moon are in a straight line
shown below.
Th...
Th...
Computers and Technology, 30.10.2019 00:31