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gladu [14]
3 years ago
8

When one object pushes or pulls another object the first object is

Physics
1 answer:
Misha Larkins [42]3 years ago
5 0
When one object pushes/pulls another object, the first object is exerting a force on the second object.
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) determine the density of a 32.5 g metal sample that displaces 8.39 ml of water.
sweet-ann [11.9K]
Density is the ratio of a substance's mass to its volume. On the other hand, according to Archimedes' principle, the volume of water displaced is equal to the volume of the object placed on the water. Thus, the density of the metal is equal to 8.39 mL. So, the density would be

Density = 32.5 g/8.39 mL = 3.87 g/mL
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3 years ago
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Which statement about moons is true?
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A

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All of the other answers don't make much sense

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In an experiment, a ringing bell is placed in a vacuum jar that does not have any air in it. What best describes why the bell is
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Light does not need a medium to travel travel through, but since waves must have a medium to vibrate, sound is not created where no air is present.

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State the Pascal's principle <br>​
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Pascal's principle, also called Pascal's law, in fluid (gas or liquid) mechanics, statement that, in a fluid at rest in a closed container, a pressure change in one part is transmitted without loss to every portion of the fluid and to the walls of the container

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The gravitational force of a star on an orbiting planet 1 is f1. planet 2, which is three times as massive as planet 1 and orbit
vovikov84 [41]

Gravitational force is given by, F= G\frac{mM}{R^{2}}

Where, m and M are the masses of the objects, R is the distance between them and G gravitational constant.

Gravitational force of the star on planet 1, F_{1}= G\frac{m_{1}M}{R^{2}}

Gravitational force of the star on planet 2, F_{2}= G\frac{3m_{1}M}{(3R)^{2}}

Ratio, \frac{F_{1}}{F_{2}}= \frac{\frac{Gm_{1}M}{R^{2}}}{\frac{G3m_{1}M}{(3R)^{2}}}

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Therefore, the gravitational force of the star on the planet 1 is three times that on planet 2.

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2 years ago
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