4 years ago

How does the density of fluid affect the magnitude of buoyancy acting on an object immersed in it

Physics

1 answer:

Oksi-84 [34.3K]4 years ago

5 0

Answer:

Explanation:

more the density , more will be the buoyant force acting on it , less the density less will be the buoyant force acting on it. This is why people float in dead sea and sink in other seas

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Answer:

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Explanation:

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3 years ago

(a) What is the best coefficient of performance for a refrigerator that cools an environment at −30.0ºC and has heat transfer to

kari74 [83]

Answer:

a) 3.242

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Explanation:

a) First all the temperature units should be in Kelvin. -30°C + 273.15 = 243.15K and 45°C + 273.15 = 318.15K. Coefficient of performance for refrigerator is COP = TL/(TH-TL) where TL is Lower Temperature and TH is the Higher Temperature. COP = 243.15/(318.15-243.15) = 3.242

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c) 3.6 MJ (3600kJ) is for 10 cents, using ratio for cost: energy used

$\frac{10}{3600 kJ} =\frac{x}{1291.178kJ}$

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4 years ago

A graduated cylinder is filled with water to the 24-mL mark. When a rock is placed in the cylinder, the level rises to the 53-mL

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3 years ago

What Is the definition of the term gravitational potential energy

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Answer:

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