Given data:
Diameter of the gold wire (d) = 0.175 cm
Length of the gold wire (l) = 1.00 * cm
Volume of the given gold wire = volume occupied by a cylindrical object\
= π * *l
here r = radius of the cross section
where : r = d/2
Hence the volume V = π * *l
=
Density of gold = 19.3 g/cm3
Weight of the gold wire = Density * volume
= *
=
The pan would heat faster because in order for the water to get hot the pan needs to be hot as well.
I don’t understand the question
Answer:
The kinetic energy decreases
Explanation:
Firstly, it must be known that temperature is a measure of the average kinetic energy of the molecules. In a situation where there is an increase or decrease of temperature, it is expected that there would be an increase or also a corresponding decrease in the amount of kinetic energy.
In the question above , it was stated that the temperature had been decreased. In this case, it also means the average kinetic energy of the molecules have been decreased too. Increasing the volume is like giving them more space to travel. But this opportunity is left not utilized