3 years ago

Are all solid natural non living matter on earth rock?

Physics

1 answer:

GenaCL600 [577]3 years ago

8 0

THE AWNSER IS NO I THINK

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Quartz has an index of refraction of 1.46. Diamond has in index of refraction of 2.42. In which material does a light ray enteri

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<span>Diamond slowdown light more than Quartz , because diamonds have a greater index of refraction. Light will bend when its move from one medium to another. The Index of Refraction of Material is found by comparing the speed of light in their respective mediums.</span>

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3 years ago

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20. A mass of gas has a volume of 4 m3, a temperature of 290 K, and an absolute pressure of 475 kPa. When the gas is allowed to

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3 years ago

4. An airplane maintains a constant acceleration of 4.0 m/s2 [E] as it speeds up from 16 m/s [E] to 28 m/s [E].

ki77a [65]

Answer:

gyvtu jyut

Explanation:

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3 years ago

A set of electric trains are powered by a 9 V battery. What is the resistance of the trains if they draw 4.0 A of current?

Dimas [21]

Answer:

2.25 Ω

Explanation:

Standard equation

V = IR re-arrange to

V /I = R then sub in the values given

9 / 4 = 2.25 Ω

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1 year ago

According to Newton's first law, if an object is changing direction, what must be happening?

murzikaleks [220]

D. Unbalanced forces are acting on it.

hope this helped

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3 years ago