True. Mass is a constant does not change, regardless of where you are. It is your weight that changes based on the planet, so your weight on Earth and Saturn will not be the same, but your mass will be the same.
1. Frequency:
The frequency of a light wave is given by:
where
is the speed of light
is the wavelength of the wave
In this problem, we have light with wavelength
Substituting into the equation, we find the frequency:
2. Period:
The period of a wave is equal to the reciprocal of the frequency:
The frequency of this light wave is (found in the previous exercise), so the period is:
Explanation:
Since, ∆ = − 0, we can find what temperature is required to cause the volume to be 0.15% larger than it is at 20℃: = 0 + ∆ = 20℃ + 29.4℃ = 49.4℃. Answer: = 49.4℃.
If this is a true/false question, then the above statement is false. Bowling balls may roll down hills, because they generally roll when used, but tennis balls do not roll. They are played with differently. So the statement is FALSE.
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