The International System of Units is the modern form of the metric system. It is the only system of measurement with an official status in nearly every country in the world. ..
SI <em>SYSTEM</em><em> </em><em>WAS</em><em> </em><em>DEVELOPED</em><em> </em><em>BECAUSE</em><em> </em>
It allows people in different places and different countries to use the same units, avoid mistakes and understand each other more easily. The common base 10 of all units makes it easier and has more accurate calculations that are made without cumbersome conversion factors.....
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Answer:
B, A, C, D
Explanation:
i hope it helps. im just kinda guessing.
good luck!°°°°°⁰⁰⁰⁰⁰₀₀₀₀₀oo00OO
Answer:
C ) 1.53
Explanation:
The critical angle of a material is given by the formula
where
c is the critical angle
n is the refractive index
This formula is valid if the second medium is air (which is the case of the problem).
In this problem, we know the critical angle:
Therefore we can rearrange the equation to find the refractive index:
Answer:
the answer to the question is indeed B
KE = (1/2)·(mass)·(speed)²
KE = (1/2)·(50 kg)·(18 m/s)²
KE = (25 kg)·(324 m²/s²)
KE = 8,100 kg-m²/s²
KE = 8,100 Joules
