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An inductor and a resistor are connected in series. When connected to a 60 Hertz, 90 Volt (rms) source, the voltage drop across the resistor is found to be 52 Volt (rms) and the power delivered to the circuit is 13 Watt.
(a) Find what is the resistance.
R =
(b) Find what is the inductance.
L = H
the efficiency of a particular car engine is 27 when the engine does 8.7 kj of work per cycle. assume the process is
A Federation starship ( 2.20×10^6kg ) uses its tractor beam to pull a shuttlecraft ( 2.20×10^4kg ) aboard from a distance of 12.0km away. The tractor beam exerts a constant force of 4.0×104N on the shuttlecraft. Both spacecraft are initially at..
A block of mass 16.7 kg supported by a vertical massless cable is initially at rest. The block is then pulled upward with a constant acceleration of 4.89 m/s2. a) What is the tension in the cable? b) What is the magnitude of the net force acting o..
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question suppose you are stopped for a traffic light and a ambulance approaches you from behind with a speed of 18 ms.
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A 50cm long non-conducting cylinder of radius 4cm has a volume charge density of 30 uC/m^3. A grounded conducting cylindrical shell of radius 6cm is placed concentrically around the charged cylinder.
Unpolarized light of intensity I0 passes through six successive Polaroid sheets each of whose axis makes a 40? angle with the previous one
an ocean liner leaves new york city and travels 16.0deg north of east for 245 km. how far east and how far north has it
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