Answer:
Explanation:
A lot of physicist and many cosmologist believe by their research works on quantum fluctuation that it is possible for the universe to be created out of nothing. They believe and has almost proved that particle comes in and out of existence from empty space. This idea led them believe that big bang singularity also came out of nothing (hyperspace) by quantum fluctuation creating positive and negative energy of equal amount. Thus conserving law of energy. In this scenario, positive energy is matter and negative energy is gravity so total energy of universe/big bang singularity is zero. Therefore, it is plausible for our universe to come out of nothing on its own. But why universe came into existence it's own confirming the idea of 'why there is something rather than nothing' as Lawrence Maxwell Krauss hypothesized could be correct.
Answer:
your mum because I don't know how to explain why she was doing it but I think I have to do it myself again but it was just the way
Iron nail. the rest of those are not iron or some form of magnetic material.
1). The equation is: (speed) = (frequency) x (wavelength)
Speed = (256 Hz) x (1.3 m) = 332.8 meters per second
2). If the instrument is played louder, the amplitude of the waves increases.
On the oscilloscope, they would appear larger from top to bottom, but the
horizontal size of each wave doesn't change.
If the instrument is played at a higher pitch, then the waves become shorter,
because 'pitch' is directly related to the frequency of the waves, and higher
pitch means higher frequency and more waves in any period of time.
If the instrument plays louder and at higher pitch, the waves on the scope
become taller and there are more of them across the screen.
3). The equation is: Frequency = (speed) / (wavelength)
(Notice that this is exactly the same as the equation up above in question #1,
only with each side of that one divided by 'wavelength'.)
Frequency = 300,000,000 meters per second / 1,500 meters = 200,000 per second.
That's ' 200 k Hz ' .
Note:
I didn't think anybody broadcasts at 200 kHz, so I looked up BBC Radio 4
on-line, and I was surprised. They broadcast on several different frequencies,
and one of them is 198 kHz !
Build up of pressure between tectonic plates .
