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frutty [35]
3 years ago
8

How are thunderstorms kept alive?

Physics
1 answer:
Burka [1]3 years ago
5 0

Answer:

E step leader

Explanation:

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If a star is found directly above the sun on the h-r diagram, what can you conclude about its size?.
hammer [34]

Answer:

It is larger than the Sun.

Explanation:

Brainliest pls

:3

7 0
2 years ago
A sound wave traveling downward with a speed of about 4,000 m/s suddenly slows to 1,500 m/s not far below the Earth’s surface. W
mezya [45]
<h2>Answer: an underground lake</h2>

Explanation:

In general, sound (mechanical waves) travels faster in solids than in liquids, and faster in liquids than in gases. This is because <u>the speed of the mechanical waves is determined by a relationship between the elastic properties of the medium </u>in which they are propagated and the mass per unit volume of the medium (that is:<u>density</u>).

In other words: The speed of sound varies depending on the medium through which the sound waves travel.

So, if we are told the sound wave initially had a speed of 4,000 m/s and it suddenly decreases to 1,500 m/s, this means the sound waves passed from a solid medium to a liquid medium.

Hence, the correct option is: an underground lake.

8 0
3 years ago
Read 2 more answers
Help!!
scZoUnD [109]

If Fg=mg=ma and, Fg(planetX)=1/5Fg(earth)

then the time would be 5x of the time as gravity is acceleration. So 3.9s*5=19.5s

As the force of gravity is less, then the acceleration of masses is also less, therefore it will take more time for the object to fall by the factor of the force of gravity difference

7 0
3 years ago
Read 2 more answers
What can the magnetic field be used for​
deff fn [24]

Answer:

the magnetic field can be used to make electricity

Explanation:

Moving a magnet around a coil of wire, or moving a coil of wire around a magnet, pushes the electrons in the wire and creates an electrical current. Electricity generators essentially convert kinetic energy (the energy of motion) into electrical energy

8 0
3 years ago
Resistance is a force that __________.
melisa1 [442]
The answer is slows objects down.
3 0
3 years ago
Read 2 more answers
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