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Artist 52 [7]
3 years ago
13

PLZ HELP! Select the right word to complete the sentence: A blacksmith relies on (radiation, convection, or conduction) to trans

fer the right amount of heat to the metal.
Physics
1 answer:
Musya8 [376]3 years ago
3 0

Answer:

i think its conduction

Explanation:

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<u>Explanation:</u>

Given-

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Mass_{2},m_{2}  = 45 kg

speed_{2},v_{2}  = 12 m/s

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Final velocity, v = ?

Applying the conservation of momentum:

m_{1} X v_{1} + m_{2} X v_{2} = (m_{1} +m_{2} ) v

72 X 5.8 + 45 X 12 X cos 60° = (72 + 45) v

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v = 417.6 + \frac{270}{117}

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