A school bus transporting students to school is an example of
2 answers:
You might be interested in
Answer:
The mass of air in the box is 0.78 grams.
Explanation:
A litre equals a cubic decimetre. By definition of density (), in grams per litre, we calculate the mass of air inside the cube (
), in grams:
(1)
Where is the volume occupied by air within the cube, in litres.
If we know that and
, then the mass of air is:
The mass of air in the box is 0.78 grams.
Answer:
Fusion
Explanation:
The thermonuclear fusion(only occurs at extreme conditions of temperature and pressure like interiors of stars) of Hydrogen takes place in The Sun's core.
Every four hydrogen atoms combine to form a Helium atom with a release of 26.7Mev of energy.
On a large scale this amount of energy can be very huge.
It is calculated that tis proces has being going on for the past
years and with the amount of Hydrogen left will be sufficient to keep it going for the same amount of time in the future.
After this process ends,the Sun's core which will be mostly Helium,will start to cool and collapse under its own gravity.