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BaLLatris [955]
3 years ago
5

What does the 2 mean in the formula 5Mg3(PO4)2?

Physics
2 answers:
dalvyx [7]3 years ago
8 0
D. There are two phosphate ions in a molecule of magnesium phosphate. Hope this helps!! :-)
stira [4]3 years ago
3 0
D. There are two phosphate ions in a molecule of magnesium phosphate
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zalisa [80]

Answer:

16200 km/s

270 km/min

4.5 km/h

Explanation:

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Simply plug in our known variables and solve:

a = (45.0 - 0)/10

a = 45.0/10

a = 4.5 km/h

7 0
3 years ago
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_____ are formed where bumps from two surfaces come into contact ?
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Answer:

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a 2100-kg car drives with a speed of 18 m/s onb a flat road around a curve that has a radius of curvature of 83m. The coefficien
Law Incorporation [45]

Answer:

<u>The magnitude of the friction force is 8197.60 N</u>

Explanation:

Using the definition of the centripetal force we have:

\Sigma F=ma_{c}=m\frac{v^{2}}{R}

Where:

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  • v is the speed
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Now, the force acting in the motion is just the friction force, so we have:

F_{f}=m\frac{v^{2}}{R}

F_{f}=2100\frac{18^{2}}{83}

F_{f}=8197.60 \: N

<u>Therefore the magnitude of the friction force is 8197.60 N</u>

I hope it helps you!

7 0
3 years ago
How did the magnet’s density measurement using the Archimedes’ Principle compare to the density measurement using the calculated
guapka [62]

Answer:

The two methods will yield different results as one is subject to experimental errors that us the Archimedes method of measurement, the the density measurement method will be more accurate

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The slope of a velocity versus time graph gives
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Average of acceleration

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