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konstantin123 [22]
3 years ago
6

According to the Can Manufacturers Institute, the energy used to make an aluminum can from recycled aluminum is 5% of the energy

used to make an aluminum can from virgin ore. In a typical year, 1.7 billion pounds of aluminum cans are recycled.
Part A

How much energy is thermally transferred to get this mass of aluminum from 20 ∘C to its melting point, 660 ∘C?

Physics
1 answer:
ololo11 [35]3 years ago
4 0

Answer:

H = 109.2 TJ.

Explanation:

Please see the attachment below.

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What is the significance of the nose end marking on a rocket or missile?
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.You have always been impressed by the speed of the elevators in your apartment building. You wonder about the maximum accelerat
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>

At rest the weight is = 50 kg

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

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