It is because both of them are attracted towards earth where the heavier body gravity field influence is more in comparision to small. For eg; there are two magnet with less power in besides of huge power or magnetic influence then both of the less power magnet are attracted towards the huge one rather than attracting themselves.
Approximately of steam at (assuming that the boiling point of water in this experiment is .)
Explanation:
Latent heat of condensation/evaporation of water: .
Both mass values in this question are given in grams. Hence, convert the specific heat values from this question to .
Specific heat of water: .
Specific heat of copper: .
The temperature of this calorimeter and the of water that it initially contains increased from to . Calculate the amount of energy that would be absorbed:
.
.
Hence, it would take an extra of energy to increase the temperature of the calorimeter and the of water that it initially contains from to .
Assume that it would take grams of steam at ensure that the equilibrium temperature of the system is .
In other words, of steam at would need to release as it condenses (releases latent heat) and cools down to .
Latent heat of condensation from of steam: .
Energy released when that of water from the steam cools down from to :
.
These two parts of energy should add up to . That would be exactly what it would take to raise the temperature of the calorimeter and the water that it initially contains from to .
.
Solve for :
.
Hence, it would take approximately of steam at for the equilibrium temperature of the system to be .
At 45 degrees latitude, the angle of the noon sun is lowest and the length of daylight is shortest on June 21.
Explanation;
-On June 21 you will note that the Northern Hemisphere is pitched toward the Sun. This means that the Sun's vertical ray is striking the Earth at the Tropic of Cancer (23.5 degrees N).
-Days tend to get longer in the northern hemisphere from December 21 to June 21, and then grow shorter from June 21 to December 21. The June solstice is the summer solstice in the Northern Hemisphere and the winter solstice in the Southern Hemisphere. The date varies between June 20 and June 22, depending on the year, and the local time zone.