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3 years ago

Every few years, Earth passes through Saturn’s rings.

Physics

1 answer:

creativ13 [48]3 years ago

3 0

Answer:

Fales its impossibke bc they r so far apart

Explanation:

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How many basic states of matter exist? three two five four

djverab [1.8K]

Answer:

There are four basic states of matter

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2 years ago

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The correctly balanced equation for H 2O 2 → H 2O + O 2 is

antoniya [11.8K]

2H2O + O2 -- 2H2O + O2 .

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3 years ago

Objects with masses of 135 kg and a 435 kg are separated by 0.500 m. Find the net gravitational force exerted by these objects o

IrinaVladis [17]

Answer:

The net gravitational force on the mass is $1.27\times 10^{-5}$

Explanation:

We have by Newton's law of gravity the force of attraction between masses $m_{1},m_{2}$

$F_{att}=G\frac{m_{1}m_{2}}{r^{2}}$

Applying vales we get

Force of attraction between 135 kg mass and 38 kg mass is

$F_{1}=6.67\times 10^{-11}\frac{135\times 38}{(0.25)^{2}}\\\\F_{1}=5.47\times 10^{-6}N$

Force of attraction between 435 kg mass and 38 kg mass is

$F_{2}=6.67\times 10^{-11}\frac{435\times 38}{(0.25)^{2}}\\\\F_{2}=1.76\times 10^{-5}N$

Thus the net force on mass 38.0 kg is $F_{2}-F_{1}=1.76\times 10^{-5}-5.47\times 10^{-6}\\\\F_{2}-F_{1}=1.27\times 10^{-5}$

8 0

3 years ago

PLEASE HELP ASAP URGENT!!!!!

coldgirl [10]

Answer:

i am not fully sure but i believe its the most accurate its either A or B

5 0

3 years ago

4. The chart shows melting and boiling points of

kondor19780726 [428]

Answer:

The correct option is A

Explanation:

Firstly, it should be noted that the freezing point of a substance can be assumed to be melting point of that substance because a substance will normally change from liquid to solid (freezes) at the same point it changes from solid to liquid (melts). For example, water freezes at 0°C and also starts melting at 0°C.

Thus, the substance with the lowest melting point among the substances mentioned in the question is alcohol (ethanol) with the melting point of -114°C. Hence, ethanol also has the lowest freezing point thereby freezing at the lowest temperature.

6 0

3 years ago