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3 years ago

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The Solar System is made up of eight planets, numerous comets, asteroids, and moons, and the Sun. The force that holds all of th

ese objects together is _______. A. tension B. gravity C. electromagnetic attraction D. magnetism

2 answers:

Nastasia [14]3 years ago

7 0

Answer:

B. GRAVITY is the answer

ollegr [7]3 years ago

7 0

Answer:

<em>The answer is B. gravity </em>

Explanation:

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Consider a box weight 2700 newtons resting on the ground. If the area of the box touching the ground is 1.5 square meters, what

Neko [114]

Answer:

The answer to your question is 1800 Pa

Explanation:

Data

Weight = 2700 N

Area = 1.5 m²

Pressure = ?

Formula

Pressure = Force / Area

The Pressure is defined as the force exerted per unit area.

-Substitution

Pressure = 2700 / 1.5

-Result

Pressure = 1800 Pa

The units of pressure are Pascals (Pa)

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3 years ago

What are the benefits of scientists using the metric system worldwide

emmainna [20.7K]

Both systems have benefits and disadvantages.

Benefits of the Metric System

<span>Easier for anything involving conversions.Celsius is based on the the freezing and boiling points of water.Is the most popular system of measurement worldwide. This gives interchangeability internationally.Other systems of measurement, like U.S. standard units, are tied directly to metric units so they can be converted back and forth.<span>You can sell to the government since governments (including the U.S. government) require government contractors to use the metric system for most things.</span></span>

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3 years ago

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What color is seen when the red light is on

Dennis_Churaev [7]

Answer:

Red is seen

Explanation:

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3 years ago

Fine grains of beach sand are assumed to be spheres of radius 49.8 µm. these grains are made of silicon dioxide which has a dens

PIT_PIT [208]

Answer: $1.3\times10^{-9}kg$

Volume of each grain of sand:

$V=\frac{4}{3}\pi r^3$

radius of the spherical grain is given, $r=49.8\mu m=49.8\times10^{-6} m$

$\Rightarrow V=\frac{4}{3}\times3.14\times(49.8\times10^{-6})^3m^3=5.17\times10^{-13}m^3$

The grains are made up of silicon dioxide.

The density is equal to $D=2600 kg/m^3$

Then, the mass of each grain is given by:

$Mass=Density (D)\times Volume(V)\\ \Rightarrow M=2600 kg/m^3\times5.17\times10^{-13}m^3 =1.3\times10^{-9}kg$

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3 years ago

The electric current leaves the battery passes through the it then travels through the next through the and finally padses throu

miss Akunina [59]

<span>The answers are:

bulb, motor, buzzer and swtich.

As seen in the picture attached,

The electric current leaves the battery passes through the bulb. It then travels through the motor, next through the buzzer and finally passes through the switch before returning to the battery.</span>

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3 years ago