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denpristay [2]
2 years ago
7

Two students are looking at a brightly lit full Moon, illuminated by the reflected light from the Sun. Consider thefollowing dis

cussion between the two students about what the spectrum of moonlight would look like.Student
1: I think that moonlight is just reflected sunlight, so we will see the Sun’s absorption line spectrum.Student
2: I disagree.An absorption spectrum has to come froma hot, dense object. Since the Moon is not a hot, dense object, it can’t give off an aborption line spectrum.Do you agree or disagree with either or both of the students
Physics
1 answer:
BartSMP [9]2 years ago
3 0

Answer:

I agree with the student that think that moonlight is just reflected sunlight, so we will see the Sun’s absorption line spectrum.

Explanation:

Absorption spectrums occur when a white light is passed through a gas. Or simply a light from a hot source passes through a cooler gas. The moon itself is a reflection of the sun, so when it reflects the light from the sun, absorption spectrum lined can be seen. Note that it is the hot gases like hydrogen, oxygen etc in or around the sun that cause absorption spectrum.

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Which of the following is true?
cluponka [151]

The moon and the Earth attract each other, with equal gravitational forces.

That may not sound too surprising.
But what do you think of THIS one:

-- You and the Earth attract each other, with equal gravitational forces.

-- Your weight on Earth is the same as the Earth's weight on you.


8 0
2 years ago
Read 2 more answers
Which mineral is also an element graphite courts calcite hematite
lyudmila [28]

Answer:

look in lesson brainly can some time be wrong

6 0
2 years ago
How is 0.00069 written in scienitfic notation?
victus00 [196]
You need to move the decimal point between the six and nine. 6.9 X 10^-4
8 0
3 years ago
In being served, a tennis ball is accelerated from rest to a speed of 42.1 m/s. The average power generated during the serve is
hoa [83]

Answer:

Force F = 69.35 N

Explanation:

given data

Ball Initial speed u = 0

Ball Final speed v = 42.1 m/s

average power generate = 2920 W

solution

Power generate is express as

P= \frac{W}{t}   ..............1

here W is work done and t is time

and work w = F × d

so

P= \frac{Fd}{t}  

and we know speed v = \frac{d}{t}  

so here

Power P = F × v

put here value and we get force

Force F = \frac{2920}{42.1}

Force F = 69.35 N

8 0
3 years ago
Tech A says that a relay is a one-way electrical check valve used in alternators to change AC into DC. Tech B says that a relay
Setler [38]

Answer:

The correct answer is from Tech B.

Explanation:

The relay is an electromagnetic device, which is stimulated by a very weak electrical current to open or close a circuit.  It functions as a switch controlled by an electrical circuit in which, by means of a coil and an electromagnet, a sequence of one or several contactors is activated that allow to open or close other electrical circuits independent of the one that controls it.

Have a nice day!

7 0
3 years ago
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