3 years ago

Which of the following will increase the gravitational force exerted by one object on another?

Physics

1 answer:

harina [27]3 years ago

8 0

Answer:

gotchu

Explanation:

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kkurt [141]

Here as we know that there is no loss of energy

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So here we have

$\frac{1}{2}mv^2 = mgh$

here we have

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m = 8000 kg

now from above equation we have

$\frac{1}{2}(8000)(20^2) = (8000)(9.8)h$

$h = \frac{200}{9.8)$

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What’s the power if a student does 2240j of work for 2.8 seconds

Alex787 [66]

Answer:

800 Watts

Explanation:

Power = Work/time

Working in SI units, Power = Watts, Work = Joules, Time = seconds.

Power = 2240J/2.8s = 800 Watts.

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3 years ago

Which of the following does NOT support the geologic evidence used to date the earth?

Zanzabum

Answer:

comparing the anatomy of organisms

Explanation:

Basically, Rocks are the solid evidence used to date the earth.

Due to the changing in the genetic make up of organisms,the anatomy of organisms is not a reliable evidence to date the earth.

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State newtons second law of motion from the equation f: ma

ANEK [815]

Answer:

wut goes up must come down i dunno lol

Explanation:

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