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cupoosta [38]
3 years ago
5

How much work in N*m is done when a 10.0-N force moves an object 2.5m?

Physics
1 answer:
Ugo [173]3 years ago
7 0
Work is force x distance so it will be 25Nm
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The energy E of a photon is proportional to its frequency f. The constant of proportionality is Planck's Constant, h. This proportionality is known as the Planck-Einstein Relation.

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The color of a beam of visible light depends on the frequency of the light. Assume that the two bulbs in this question each emits light of only one frequency (rather than a mix of light of different frequencies and colors.) Let f_{1} and f_{2} denote the frequency of the light from each bulb.

If the color of the red light from the two bulbs is the same, those two bulbs must emit light at the same frequency: f_{1} = f_{2}.

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h\, f_{1} = h\, f_{2}.

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