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GalinKa [24]
3 years ago
5

1. During which phase of the moon may a solar eclipse occur? (Points : 1)

Physics
2 answers:
kotykmax [81]3 years ago
7 0
1. New moon
This is because the moon comes between the Earth and sun and this is only possible during its new moon phase.

2. Full moon
This is because the Earth comes between the Moon and the sun and the effect is only visible when there is a full moon.

3. Corona
The corona is the outer layer and is the only one visible when there is an eclipse.
shtirl [24]3 years ago
5 0

1).  A solar eclipse, if it happens, can only happen at the time of New Moon.

2).  A lunar eclipse, if it happens, can only happen at the time of Full Moon.

3).  The sun's corona is only visible during a total solar eclipse.

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A student wants to create a 6.0V DC battery from a 1.5V DC battery. Can this be done using a transformer alone
shusha [124]

Answer:

Therefore, we need an invert, and a rectifier, along with the transformer to do the job.

Explanation:

A transformer, alone, can not be used to convert a DC voltage to another DC voltage. If we apply a DC voltage to the primary coil of the transformer, it will act as short circuit due to low resistance. It will cause overflow of current through winding, resulting in overheating pf the transformer.

Hence, the transformer only take AC voltage as an input, and converts it to another AC voltage. So, the output voltage of a transformer is also AC voltage.

So, in order to convert a 6 V DC to 1.5 V DC we need an inverter to convert 6 V DC to AC, then a step down transformer to convert it to 1.5 V AC, and finally a rectifier to convert 1.5 V AC to 1.5 V DC.

<u>Therefore, we need an invert, and a rectifier, along with the transformer to do the job.</u>

8 0
3 years ago
How does friction affect moving objects?
Temka [501]
Friction will slow down the moving object
6 0
3 years ago
group 17 is called halogens family, and the group to the right is called the noble gases. How are these elements alike and how a
Verdich [7]
Similarities:
The halogens like noble gases are gaseous im nature. Example,
Chlorine, bromine are halogens and argon , xenon are noble gases.
Both are non-metals.

Differences: Halogens are very reactive because their octet needs only one electron tk complete. But, the nobles gases are quite stable and unreactive because the have complete octets.
8 0
3 years ago
Read 2 more answers
What is 1.3 for PE=mgh and for KE=1(m)v^2 and E=PE+KE and V​
emmainna [20.7K]

Answer:

1.3 is equal to m times v to the second  times PK, meaning the answer to your question is 3.3 K

Explanation:

Have a gday!

8 0
3 years ago
a ball is launched from the ground with a velocity of 60 m/s at an angle of 34 degrees to the horizontal. what is the final vert
sineoko [7]

Answer:

vertical velocity = 33.55 m/s

Explanation:

sin (34) = v/60

sin (34) x 60 = v

33.55 m/s = v

3 0
2 years ago
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