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babunello [35]
3 years ago
10

What causes some materials to have magnetic field

Physics
1 answer:
SOVA2 [1]3 years ago
3 0
Well correct me if im wrong, friction would be my answer
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A photon has 3.4 × 10–18 joules of energy. Planck’s constant is 6.63 × 10–34 J•s.
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Ok i will answer for real this time. Please give me brainliest.
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5.12*10^15. Since e=h*f, f=e/h. 3.4*10^(-18)/h.
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C. Chemical Energy is transformed to light energy and heat energy. The heat energy is keeping you warm and light energy is giving you the light you need to be able to read the book.
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What does the prefix for kilo- mean
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The word/prefix "kilo" means one thousad

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A pendulum completes 30 cycles every minute. What is the frequency of the pendulum
Strike441 [17]

Answer:

1 cycle every 2 seconds if that is what it is asking. So you have to do 2 x 30 and you will get 60 so ur awnser is 60

Explanation:

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Gold, quartz, and talc are minerals. Copper and iron are types of ore. What is the difference between minerals and ores?
san4es73 [151]

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A mineral is a valuable form of ore that can be extracted from the ground

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Gold, quartz and talc are minerals because they are found in the earth in a valuable form of ore while ores are rocks that contain valuable concentrations of minerals.that can be mined.

An ORE in general term can be said to be a mineral deposit that contains enough Minerals that can be mined in commercial quantities while Minerals are valuable components of an Ore that can be mined ( naturally occurring ) in an ORE.

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