When an ice cube sits out on a warm day and melts where does the heat go?
2 answers:
Answer:
When an ice cube sits out on a warm day and melts the heat goes into the ice
Explanation:
When an ice cube sits out on a warm day and melts where does the heat go?
Firstly, temperature is the degree of hotness or coldness of a body, while heat is the transfer of internal energy due to temperature difference.
When ice melts there is no temperature change. The heat needed to change it from its solid state to its liquid state any noticeable change in temperature is called Heat of fusion Q measured in joules.
Q=m
So the heat goes directly to the ice to change its state from solid to liquid without any change in temperature. Only to break its intermolecular force of attraction.
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Explanation:
The frequency of radio waves is 1.667 GHz
One portion of the same wave front travels 1.260 mm farther than the other before the two signals are combined.
There are two conditions for interference either constructive or destructive.
For constructive interference , the path difference is n times of wavelength and for destructive interference, the path difference is (n+1/2) times of wavelength
We can find wavelength in this case as follows :
If we divide path difference by wavelength,
It means that the path difference is 7 times of the wavelength. it means the two waves combine constructively and the value of m for the path difference between the two signals is 7.