4) If the index of refraction of a substance is 2.45, find the critical angle for this substance and water (nwater = 1.33)
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A: Write the formula for power.
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A: We have to write about electric gasoline powered vehicle.
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Q: An electric clothes dryer is rated at 3,400 W. How much energy does it use in 30 min?
A: power of electric cloth dryer (P) = 3400 W time (t) = 30 min
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