A sphere (emissivity=0.42) of radius 25 cm is at 27 deg C. It's placed in a room with a temperature of 2 deg C. Match each item to a choice: How long will it take for the sphere to lose 1x10^6 Joules...

A sphere (emissivity=0.42) of radius 25 cm is at 27 deg C. It's placed in a room with a temperature of 2 deg C.<br>Match each item to a choice:<br>How long will it take for the sphere to lose 1x10^6<br>Joules of energy?<br>What is the rate of heat energy entering the sphere?<br>Choices:<br>: 151.4981 W<br>: 8.236 hrs<br>: 6.832 hrs<br>: 44.5303 W<br>: 3.268 hrs<br>: 6.238 hrs<br>: 106.9678 W<br>

Extracted text: A sphere (emissivity=0.42) of radius 25 cm is at 27 deg C. It's placed in a room with a temperature of 2 deg C. Match each item to a choice: How long will it take for the sphere to lose 1x10^6 Joules of energy? What is the rate of heat energy entering the sphere? Choices: : 151.4981 W : 8.236 hrs : 6.832 hrs : 44.5303 W : 3.268 hrs : 6.238 hrs : 106.9678 W

Jun 11, 2022

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A sphere (emissivity=0.42) of radius 25 cm is at 27 deg C. It's placed in a room with a temperature of 2 deg C. Match each item to a choice: How long will it take for the sphere to lose 1x10^6 Joules...

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