3 years ago

Newton's law of universal gravitation can be applied to

2 answers:

8 0

To any two objects with mass because a pencil and a paper can have gravitational force but they won’t be attracted to each other due to earths stronger gravitational pull another example would be meteorites which also have gravitational pull but not enough to be attracted each other unless there’s nothing except them around

alekssr [168]3 years ago

3 0

Answer: Only objects near Earths surface

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An ant travels 2.78 cm (West) and then turns and travels 6.25 cm (South 40 degrees East). What is the ant's total displacement?

andrey2020 [161]

$From\ cosine\ theorem:\\\\
c^2=a^2+b^2-2abcos(\angle between\ a\ and\ b)\\\\
a=2,78\\b=6,25\\
\angle between\ a\ and\ b=90+50=140^{\circ}\\\\
c^2=2,78^2+6,25^2-2*2,78*6,25cos(140^{\circ})\\\\
c^2=7,7284+39,0625-34,75*(-0,77)\\\\c^2=46,7909+26,7575\\\\c^2=735484\\\\c=8,58cm\\\\Total\ displacement\ is\ equal\ to\ 8,58cm.$