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snow_lady [41]
3 years ago
7

Why are electromagnets used in metal scrap yards?

Physics
1 answer:
Artist 52 [7]3 years ago
6 0

Answer:

yes

Explanation:

because they are very very very strong

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A net force of 20 N acting on a wooden block produces an
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Answer:

From the second law of motion:

F = ma

we are given that the force applied on the block is 20N and the block accelerates at an acceleration of 4 m/s/s

So, F=  20N   and  a = 4 m/s/s

Replacing the variables in the equation:

20 = 4* m

m = 20 / 4

m = 5 kg

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B) Not work since decrease in temperature wouldnt cause evaporation or reverse in cycle.
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3 years ago
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I NEED HELP ASAP IM ON TIMER !!!!!!!!
White raven [17]

Answer:

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an engineer is developing a conveyor belt to help move heavy boxes in factories. The device should be able to move boxes from th
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