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A heat lamp produces 22.5
A heat lamp produces 20.0 watts of power at a wavelength of 6.7 μm .
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Ruby
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Turn an incandescent lamp on and off quickly while you are standing near it. You feel it's heat, but you find when you touch the
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Rachel
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A heat lamp produces 22.5 watts of power at a wavelength of 6.0 Mu.How many photons are emitted per second? (1watt= 1J/s )
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Kristen
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A heat lamp produces 22.5 watts of power at a wavelength of 6.0 {\rm \mu m}.
How many photons are emitted per second? 1{watt}} =
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asked by
Greg
867 views
Jonah just bought a new lamp for his bedside table. The old lamp was 1 1/2 feet tall and the new lamp is 5 feet tall. How much
1 answer
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A boy 1.2m tall, stands 6m away from the foot of a vertical lamp pole 4.2m long if the lamp is at the tip of the pole
calculate
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asked by
George
1,059 views
Just as no mechanical device can be 100% efficient, no heat engine can transfer 100% of its heat to a single object. Some of the
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Jessica
1,046 views
Frank is using a lamp during his lab. He notices that the lamp’s cord is damaged. What should Frank do?
A. Use the lamp "as
1 answer
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Lucas plugs a lamp into the wall. The light bulb in the lamp turns on. What kind of energy transformation is this?
A. Light
1 answer
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A boy 1.2m tall, stands 6m away from the foot of a vertical lamp pole 4.2m long. If the lamp is at the tip of the pole,
2 answers
asked by
Anonymous
617 views