Physics, 30.03.2020 19:24 ineedhelp2285
The resistances of the primary and secondary coils of a transformer are 56 and 14 , respectively. Both coils are made from lengths of the same copper wire. The circular turns of each coil have the same diameter. Find the turns ratio Ns /Np.
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Let f(x) = x4- 8x2 . find the relativeextrema of this function using the second derivative test.
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What object a collides with object b and bounces back its final momentum is?
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The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.
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The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.
Answers: 3
The resistances of the primary and secondary coils of a transformer are 56 and 14 , respectively. B...
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