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nexus9112 [7]
3 years ago
7

A cylinder has volume 50 cm and radius 4 cm find its volume. pls do it with the full process ​

Physics
1 answer:
CaHeK987 [17]3 years ago
4 0

Answer:

Explanation:

What is the volume of a right cylinder with a circumference of 25π in and a height of 41.3 in? Explanation: The formula for the volume of a right cylinder is: V = A * h, where A is the area of the base, or πr2. Therefore, the total formula for the volume of the cylinder is: V = πr2h.

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What temperature increase is necessary to increase the power radiated from an object by a factor of 8?
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To solve this problem it is necessary to apply the concepts related to the Power defined from the Stefan-Boltzmann equations.

The power can be determined as:

P = \sigma T^4

Making the relationship for two states we have to

\frac{P_1}{P_2} = \frac{T_1^4}{T_2^4}

Since the final power is 8 times the initial power then

P_2 = 8P_1

Substituting,

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T_2 = T_1 8*(\frac{1}{4})

T_2 = 1,68T_1

The temperature increase would then be subject to

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3 years ago
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balu736 [363]

Explanation:

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3 years ago
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