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A particular inductor has appreciable resistance. When the inductor is connected to a 12 V battery, the current through the inductor is 3.0 A. When it is connected to an ac source with an rms output of 12 V and a frequency of 60.0 Hz, the current drops to 2.0 A.
a) Find the impedance of the circuit at 60.0 Hz. (don't forget about the resistance of the circuit.)
b) Find the inductance of the inductor.
A person pushes a 19.7-kg shopping cart at a constant velocity for a distance of 21.3 m on a flat horizontal surface. What is the magnitude of the force that the shopper exerts
A 25 kg trunk strikes the ground with a speed of 12.5m/s. if no energy is lost from air resistance, what is the height from which trunk fell.
The drawing shows two boxes resting on frictionless ramps. One boxis relatively light and sits on a steep ramp. The other box isheavier and rests on a ramp that is less steep. The boxes arereleased from rest at A and allowed to slide down the ramp..
A room has dimensions 2.84 m (height) × 4.91 m × 6.79 m. A fly starting at one corner flies around, ending up at the diagonally opposite corner. What is the magnitude of its displacement
Consider a binary separator used to separate aluminum cans from glass. A total mass of 0.8 tonne/hr enters. what is the recovery of aluminum
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An ideal heat engine absorbs 98.6 kJ of heat and exhausts 81.6 kJ of heat in each cycle. How much work is done in a cycle
A street lamp weight 164N. It is supported equally by two wires that form an angle of 129 degrees with each other. What is the tension of each of these wires.
A Beryllium nucleus consists of 4 protons and 5 neutrons. What is the potential energy of the nucleus due to electrical forces
A small plastic sphere with a charge of -5.0 nC is near another small plastic sphere with a charge of -15 nC, what is the distance between the spheres
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