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Y_Kistochka [10]
2 years ago
10

Which statement would be the best evidence that heat transfer through radiation has occurred and why? A) A pan gets hot on a sto

ve. Radiation requires molecule to molecule contact. B) On a windy day, you feel colder. This is because more heat is removed from your body. C) At several feet from a fire, you still feel the heat. Heat is transferred through the air. D) An oven uses fans to heat up the food inside faster. Radiation is the most efficient form of heat transfer.
Physics
2 answers:
andriy [413]2 years ago
8 0
It is C, did it on a USATestprep
kari74 [83]2 years ago
3 0

At several feet from a fire, you still feel the heat. Heat is transferred through the air. The heat is radiating so you can feel the heat

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Alex777 [14]

Answer:

V=4.7m/s

Explanations:

Let Ma mass of cat A=7kg

Va velocity of cat A=7m/s

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VB velocity of cat b=2m/s

From conservation of linear momentum

MaVa+MbVb=(Ma+Mb)V

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3 years ago
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AlexFokin [52]

Answer:

5.51 m/s^2

Explanation:

Initial scale reading = 50 kg  

assume the greatest scale reading = 78.09 kg

<u>Determine the maximum acceleration for these elevators</u>

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Weight ( F ) = mg = 50 * 9.81 = 490.5 N<u> </u>

<u> </u>At the 10th floor weight = 78.09 kg

Weight at 10th floor ( F ) = 78.09 * 9.81 = 766.11 N

F = change in weight

Change in weight( F ) = ma = 766.11 - 490.5 (we will take the mass as the starting mass as that mass is calculated when the body is at rest)

50 * a = 275.61

Hence the maximum acceleration ( a ) = 275.61 / 50 = 5.51 m/s^2

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Answer: Is this a question? I dont understand.

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