The distance from one point to another is the distance traveled by a light beam between them.
If you have the coordinates of the 2 points, then the distance between them is
√ of [ (the difference in their x-values)² + (the difference in their y-values)² ]
Answer:
Hydrogen's location is related to it's electron configuration not it's properties.
Even though hydrogen is gas it can be used as fuel in automobile because it is flammable
Because iron is a more reactive metal than copper is :)


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Answered by : ❝ AǫᴜᴀWɪᴢ ❞
Answer: Option (c) is the correct answer.
Explanation:
Momentum is the product of mass and velocity.
Mathematically, p = m × v
where p = momentum
m = mass
v = velocity
It is known that mass can be measured in Kilograms or grams. Whereas velocity is measured in meter per second or centimeter per minute or hour.
On the other hand, unit kilometer is a unit of distance and not mass.
Thus, out of the given options km.m/s is not an appropriate unit for momentum.