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dusya [7]
3 years ago
8

A toy police car moves across the room in 10 seconds. The distance the car traveled is

Physics
1 answer:
choli [55]3 years ago
4 0

Answer:

45cm/s

Explanation:

If the distance traveled is 450 centimeters we can assume the speed is 45cm/s by taking the distance and dividing by the time, in this case that is 450 and 10

so our answer would be 45cm/s

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This equation shows the reaction that occurs when charcoal burns. What type<br> of reaction is it?
TiliK225 [7]

Explanation:

Exothermic

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3 0
3 years ago
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The smallness of the critical angle θc for diamond means that light is easily "trapped" within a diamond and eventually emerges
hoa [83]

Answer:

26.6°

Explanation:

refractive index of diamond, n = 2.23

When a ray of light passes from denser medium to the rarer medium and refracts at an angle of 90 degree from the normal of the surface, such angle of incidence in the denser medium is called the critical angle.

By the Snell's law

\frac{Sini}{Sin r }= n

For critical angle, angle of incidence is critical angle, i = θc and angle of refraction, r = 90

So,

Sin θc / Sin 90 = 1 / 2.23

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Thus, the critical angle is 26.6°.

3 0
3 years ago
16. Through which of the following mediums is the velocity of a sound wave the greatest?
Anna007 [38]

A.) Steel.

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water travels 1,439 meters per second,

and air depends on temperature.

8 0
3 years ago
Please help on this one?
vlada-n [284]

Answer:

idk

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7 0
3 years ago
Which characteristics do temperate marine and temperate continental climates have in common? Check all that apply.
katrin2010 [14]

Answer:

moderate amount of precipitation

two seasons with temperature differences

Explanation:

Temperate marine climates is also known as oceanic climate and areas who experience this climate are closer to oceans. There is relative precipitation all round the year due to the close proximity to the water body and have the hot and cold season.

The temperate continental climate also has two season and relative rainfall but found in the areas along the Northern hemispheres.

Both climates have moderate amount of precipitation and two seasons with temperature differences.

6 0
3 years ago
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