Answer:
In contrast, the light from a star moving away from us seems to shift towards longer wavelengths. As this is towards the red end of the spectrum, astronomers call it redshift
Explanation:
The answer is C 300,000 kilometers per second
Supply voltage is the input/source voltage given into a circuit or system to make it work/try to make it work.- circuit :)
Answer:
115.32125 m/s
Explanation:
Distance = 70 cm
Angular speed
Angular displacement
Time taken will be
Speed of the bullet would be
The speed of the bulletis 115.32125 m/s
Answer:
2.7 J
Explanation:
The energy of one photon is given by
where
h is the Planck constant
f is the frequency
For the photons in this problem,
So the energy of one photon is
The number of photons contained in 1.0 mol is
(Avogadro number)
So the total energy of photons contained in 1.0 mol is