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Consider a transformer, used to recharge rechargeable flashlight batteries, that has 500 turns in its primary coil, 6 turns in its secondary coil, and an input voltage of 120 Volt.
Part (a) Determine the voltage output Vs, in volts, of the transformer used for to charge the batteries?
Part (b) Find input current Ip, in milliamps, is required to produce a 4.2 Amp output current?
Part (c) Determine what is the power input, in watts?
The bulk modulus of aluminum is 7.1 1010 N/m2. If the density of aluminum is 2.7 103 kg/m3, then what is the speed of sound in aluminum
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Two rigid rods are oriented parallel to each other and to the ground. The rods carry the same current in the same direction. The length of each rod is 0.90m, and the mass of each is 0.078 kg. One rod is held in place above the ground, while other flo..
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A block (mass = 2.4 kg) is hanging from a massless cord that is wrapped around a pulley, Find the angular acceleration of the pulley and the tension in the cord
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