Burning is a chemical change because when your burning something your releasing chemicals into the air ( turning it into gas , like CO2) , it requires more energy to break chemical bonds. Melting/bending your just changing the physical look of object, boiling your just heating it but the make up of the object is still the same.
Explanation:
The acceleration on an object due to the gravity of any massive body is represented by g (small g). The force of attraction between any two unit masses separated by unit distance is called universal gravitational constant denoted by G(capital g). The relation between G and g is not proportional. That means they are independent entities.
G and g
In physics, G and g can be related mathematically as –
\(g=\frac{GM}{R^{2}}\)
Where,
1=g is the acceleration due to the gravity of any massive body measured in m/s2.
2=G is the universal gravitational constant measured in Nm2/kg2.
3=R is the radius of the massive body measured in km.
4=M is the mass of the massive body measured in Kg.
That's a good microscopic description of <em>conduction</em>.
C, the two samples are in different states!
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Explanation:
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