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Mumz [18]
3 years ago
14

Which change would most likely increase the solubility of a solid in a liquid

Physics
2 answers:
LuckyWell [14K]3 years ago
7 0
Increasing the temperature would increase the solubility of it.
Temperature increase
andre [41]3 years ago
5 0
Increasing the temperature of the solution
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A 24000- railroad freight car collides with a stationary caboose car. They couple together, and 22 percent of the initial kineti
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Answer:

m_{c} = 6768\,kg

Explanation:

According to the Principle of Energy Conservation and the Work-Energy Theorem, the system is modelled as follows:

K_{o} = K_{f} + W_{loss}, where \frac{K_{f}}{K_{o}} = 0.78.

Then,

K_{f} = 0.78\cdot K_{o}

0.5\cdot (m_{f}+m_{c})\cdot v_{f}^{2} = 0.39\cdot m_{f}\cdot v_{o}^{2}

Besides, the Principle of Momentum Conservation describes the following model:

m_{f}\cdot v_{o} = (m_{f}+m_{c})\cdot v_{f}

The final velocity of the system is:

v_{f} = \frac{m_{f}}{m_{f}+m_{c}}\cdot v_{o}

After substituting in the energy expression:

0.5\cdot \frac{m_{f}^{2}}{m_{f}+m_{c}}\cdot v_{o}^{2} = 0.39\cdot m_{f}\cdot v_{o}^{2}

0.5\cdot m_{f} = 0.39\cdot (m_{f}+m_{c})

The mass of the caboose is:

0.39\cdot m_{c} = 0.11\cdot m_{f}

m_{c} = 0.282\cdot m_{f}

m_{c} = 0.282\cdot (24000\,kg)

m_{c} = 6768\,kg

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