A watt is a unit of energy per unit time, and one watt (W) is equal to one joule per second ( J β s β 1 ) Jβ sβ1) . A 40.0 W 40.0 W incandescent lightbulb produces about 5.00 % 5.00% of its energy as visible light. Assuming that the light has an average wavelength of 510.0 nm, calculate how many such photons are emitted per second by a 40.0 W 40.0 W incandescent lightbulb.
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Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?
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A watt is a unit of energy per unit time, and one watt (W) is equal to one joule per second ( J β
s...
Mathematics, 13.02.2020 01:59
Mathematics, 13.02.2020 01:59
Mathematics, 13.02.2020 01:59
Mathematics, 13.02.2020 01:59