3 years ago

Star meaning plz :) I need help

1 answer:

7 0

a fixed luminous point in the night sky which is a large, remote incandescent body like the sun. or a conventional or stylized representation of a star, typically one having five or more points.

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Name some types of rock that have been used to construct buildings

Marina CMI [18]

Sand stone, granite, clay, bricks

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3 years ago

If a fast-moving car making a loud noise approaches and moves past the person, what will happen as the distance between the two

lesantik [10]

The pitch of the sound of the car will appear to be <span>lower than the pitch of the car next to you</span>

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3 years ago

Calculate The pressure produced by a force of 392 N acting on an area of 8.0 m^2

Nonamiya [84]

Answer:

Explanation:

500-0.05=499.95

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2 years ago

Francium-223 has a half-life of 22 minutes. A Geiger counter gives a reading of 58 counts per minute (cpm) from a sample of fran

polet [3.4K]

Answer:

29 counts per minute (29 cpm)

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The half-life of a radioactive isotope is the time needed for the activity of the sample to halve.The half-life of Francium-223 is exactly 22 minutes: this means that its activity after 22 minutes becomes exactly half of its initial value. Since the initial activity of this sample of francium-223 was 58 cpm, the activity after 22 minutes will be

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3 years ago

8. Which explains how a plane mirror works?

lesya692 [45]

Answer:

light rays reflect off an object ,strike the mirror ,and are reflected into your eyes

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