2 years ago

When dry ice appears to be smoking what is actually happening

Physics

1 answer:

LuckyWell [14K]2 years ago

5 0

Answer:

The “smoke” coming from dry ice is actually carbon dioxide gas, which is turning from a solid into a gas.

Explanation:

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An object in free fall near the surface of the earth accelerates at a rate of 78979.4 mi/hr What is the rate of acceleration for

Nina [5.8K]

Answer:

32.176 ft/s²

9.807 m/s²

Explanation:

Data provided in the question:

Acceleration of the free falling object = 78979.4 mi/hr²

a) In ft/s

Now,

1 mi = 5280 foot

and,

1 hour = 3600 seconds

thus,

78979.4 mi/hr = $\frac{\textup{78979.4}\times\textup{5280}}{\textup{1}\times\textup{3600}^2}$

78979.4 mi/hr = 32.176 ft/s² ...............(1)

b) In m/s²

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1 foot = 0.3048 m

thus,

we have from 1

32.17 ft/s² = $\frac{\textup{32.17}\times\textup{0.3048}}{\textup{1}\times\textup{1}^2}$

78979.4 mi/hr = 32.176 ft/s² = 9.807 m/s²

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2 years ago