3 years ago

Which type of mirror is placed behind the bulb in car headlights?

Physics

1 answer:

wlad13 [49]3 years ago

3 0

Answer:

Concave Mirror is placed behind the car bulb

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The period of the earth around the sun is 1 year and its distance is 150 million km from the sun. An asteroid in a circular orbi

SOVA2 [1]

Answer:

5.024 years

Explanation:

T1 = 1 year

r1 = 150 million km

r2 = 440 million km

let the period of asteroid orbit is T2.

Use Kepler's third law

T² ∝ r³

So,

$\left ( \frac{T_{2}}{T_{1}} \right )^2=\left ( \frac{r_{2}}{r_{1}} \right )^3$

$\left ( \frac{T_{2}}{1} \right )^2=\left ( \frac{440}{150} \right )^3$

T2 = 5.024 years

Thus, the period of the asteroid's orbit is 5.024 years.

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3 years ago

Which of the following is least likely to be a scientific experiment?

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Which explanation is least likely to be evidence for geological processes changing Earth's surface?

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Pollution isn’t a geological process.

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Which of the following best describes the domains of unmagnetized iron?

Scilla [17]

Magnetic domain is defined as a group of atoms with magnetic fields.

A piece of iron can only become a magnet when the magnetic domain aligns.

Since we have an unmagnetized piece of iron, this means that its domain is not aligned. However, this does not mean that the domain does not exist.

Based on the above, the best choice would be:
There arr domains, but domains are oriented randomly.

Hope this helps :)

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I can someone help me and also I gtg so ill be back in a bit

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Answer: No sure what to do

Explanation: points for points

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