Answer:The loudest of the two sound wave is second one
Explanation:because if shout the sound go high,then which one show you the highest the second one rigth
The superconducting magnets are able to generate powerful magnetic fields because they have no electrical resistance.
To find the answer, we have to know more about the superconducting magnets.
<h3>What is superconducting magnet?</h3>
- An example of an electromagnet is a superconducting magnet.
- They are constructed from coils of superconducting wire and must be used while being chilled to cryogenic temperatures.
- Because the wire encircling the magnet has no electrical resistance when it is in its superconducting condition, they may produce powerful magnetic fields.
- Because of this, the magnet can conduct far greater electrical currents than the typical electromagnet.
Thus, we can conclude that, the superconducting magnets are able to generate powerful magnetic fields because they have no electrical resistance.
Learn more about the superconducting magnets here:
brainly.com/question/1476682
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its the 3rd one kinetic energy increases as speed increases
Answer:
The value is 
Explanation:
From the question we are told that
The time taken as seen by aliens 
The time taken as seen by attendant 
Generally from the dilation of time equation we have that
Here c is the speed of light
v is the speed of the alien ship
=> 
=> ![1 - \frac{v^2}{c^2} = [\frac{T_1}{T}] ^2](https://tex.z-dn.net/?f=1%20-%20%5Cfrac%7Bv%5E2%7D%7Bc%5E2%7D%20%20%3D%20%20%5B%5Cfrac%7BT_1%7D%7BT%7D%5D%20%5E2)
=> ![1 - \frac{v^2}{c^2} = [\frac{4.1}{8}]^2](https://tex.z-dn.net/?f=1%20-%20%5Cfrac%7Bv%5E2%7D%7Bc%5E2%7D%20%20%3D%20%20%5B%5Cfrac%7B4.1%7D%7B8%7D%5D%5E2)
=>
Even though the mass of the earth stays the same, the force gravity has on us will double because there is less space in the atmosphere for the gravity to pull anything in towards its center. Let me know if I'm correct!
