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Example:
was with a mass of 1500 kg accelerates from 0 to 27.78 mis at 5.20...
Physics, 15.12.2021 02:40 fernandez122115
Se
P Fiya
Example:
was with a mass of 1500 kg accelerates from 0 to 27.78 mis at 5.20 ms' The frictional force on the car
700 N Calculate the power of the engine (1.18 x 10"Wer 118 kW)
Answers: 3
Physics, 22.06.2019 05:30
Could someone . i have tried to solve myself but my calculation is off
Answers: 3
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Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?
Answers: 1
Physics, 22.06.2019 14:20
Antireflective coatings on solar cells are often made by applying a thin film of silicon nitride (sinx), which has an index of refractive of 1.2, on the top of the silicon solar cell, which has a refractive index of about 3.5. however, the sun emits radiation of various wavelengths which the solar cell absorbs, and the antireflective coating can only absolutely minimize the reflection of one of these wavelengths. the coating thickness is chosen to reduce the reflection of green/yellow light (e = 2.2 ev), which is the most intense color in the solar spectrum (shown below). which of the following coatings would minimize reflection of green/yellow light? the answer is 820 nm how? what is the angular width of the central maximum of an electron traveling at 2 x 108 m/s going through a single slit of width 1 mm.
Answers: 1
Physics, 22.06.2019 16:40
Beryl states that insulation with the smallest possible thermal conductivity is best to keep a house warm in winter, but worst for keeping a house cool in summer. sapphire insists the reverse is true: low thermal conductivity is good in the summer, but bad in the winter. which one, if either is correct? a. beryl, because low thermal conductivity results in low heat transfer. b. beryl, because low thermal conductivity results in high heat transfer. d. sapphire, because low thermal conductivity results in high heat transfer. e. neither, because low heat transfer is desirable both in summer and in winter.
Answers: 2
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