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When a resistor is connected across the terminals of an acgenerator (115 V) that has a fixed frequency, there is a current of 0.665 A in the resistor. When an inductor is connected across the terminals of the same generator, there is a current of 0.615 A inthe inductor. When both the resistor and the inductor are connectedin series between the terminals of this generator, whatis (a) the impedance of the series combination and (b) the phase angle between the current and the voltage of the generator? Note: The ac current and voltage are rms valuesand power is an average value unless indicated otherwise.
A solenoid 27.0cm long and with a cross-sectional area of 0.510cm2 contains 460 turns of wire and carries a current of 90.0A. Calculate the magnetic field in the solenoid
Danny's basis in his partnership interest was $26,500 and the partnership has no liabilities. If he sells his interest for $35,000, illustrate what is his gain or loss realized and recognized?
A 1 000-kg experimental rocket sled on level frictionless rails is loaded with 50 kg of propellant. It exhausts the propellant in a 20-s "burn." what impulse is experienced by the rocket sled
a very long thin rod carries electric charge with the linear density 28.0 ncm. it lies along the x axis and moves in
The classroom temperature is 20 C. The relative humidity is 60%. What is the total humidity (kg of H2O vapor) in the room
If the ball is free from rest at a height of 0.67 above the bottom of the track on the no-slip side, what is its angular speed when it is on the frictionless side of the track? Suppose the ball is a solid sphere of radius 2.2 and mass 0.14.
A speedboat moves on a lake with initial velocity vector V1x= 9.27m/s and V1y= -2.83m/s, What are the components of the speedboat's final velocity
A block of the same weight as the meter stick is suspended from the stick, as shown, at a distance x from the wall. What is the minimum value of x for that the stick will remain in equilibrium.
During the transition of the metal from the boiler to the cup, some heat may have been lost to the air. If no heat was lost, how would your values for the final temperature change?
A 155 g copper bowl contains 245 g of water, both at 20°C. A very hot 300 g copper cylinder is dropped into the water, causing the water to boil, with 5 g being converted to steam. The final temperature of the system is 100°C. Neglect energy trans..
A giraffe has a large blood vessel running down its leg. This blood vessel descends 2.5 m from the heart. The radius at its upper end is 0.5 cm, What is the pressure at the lower end
The average atmostpheric pressure Po on the surface of Mars is 6.0hPa. The radius of the planet is r = 3400 km. The acceleration dueto gravity is 3.7m/s^2. Compute the total mass M of the Martianatmosphere. Express M is Kg
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