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insens350 [35]
2 years ago
6

In a reaction the mass of a reactant decreases by 58g in 233 seconds. What is the rate?

Physics
1 answer:
Yuki888 [10]2 years ago
5 0

I've just been doing that now, this might be a bit late but the answere is 0.25g/s

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malfutka [58]

Answer:  A) 6.38(10)^{6} m

Explanation:

The equation for the moment of inertia I of a sphere is:

I=\frac{2}{5}mr^{2} (1)

Where:

I=9.74(10)^{37}kg m^{2} is the moment of inertia of the planet (assumed with the shape of a sphere)

m=5.98(10)^{24}kg is the mass of the planet

r is the radius of the planet

Isolating r from (1):

r=\sqrt{\frac{5I}{2m}} (2)

Solving:

r=\sqrt{\frac{5(9.74(10)^{37}kg m^{2})}{2(5.98(10)^{24}kg)}} (3)

Finally:

r=6381149.077m \approx 6.38(10)^{6} m

Therefore, the correct option is A.

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2 years ago
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Answer:

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Explanation:

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How can a person detect infrared rays without an instrument?
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