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An inductor of L= 16 H and a resistor of 30 oms are connected to a 60 V battery. The switch connecting all three in a circuit is closed at time t=0a) what is initial current in the circuitb) what is the final steady state current in the circuit?c) what is the initial rate of increase of the current?d) about how long does it take for the circuit to get to a steady state?
A uranium nucleus (mass 238 u), initially at rest, undergoes radioactive decay. what is the recoil speed of the thorium nucleus
A small metal ball with a charge of 0.45 C and a mass of 34 g (0.034 kg) enters a region where there is a magnetic field of 0.55 T. From Newton's second Law, what is the magnitude of the acceleration of the charged ball
At what driving frequency fd do two phasors have the same length? At that driving frequency, what are (c) the phase angle in degrees, (d) the angular speed at which the phasors rotate, and (e) the current amplitude?
Two horses pull a large crate of negligible mass at constant speed across a barn floor by means of two light steel cables. What is the work done by each horse if the box is moved a distance of 30 m
A laser light has a wavelength of 670 nanometers and the separation between the two first order diffraction minima is 11 cm. Calculate the slit width and slit separation
A spherically symmetric electromagnetic wave is emitted by a 1030 W source. What is the rms value of the electric field at that distance
A uniform, solid disk is acted on by a tangential force F, as shown. The disk is free to rotate about its central axis without friction. What is the net torque on the disk
A sun yacht is a spacecraft with a large sail that is pushed by sunlight. Although such a push is tiny in everyday circumstances, What is the magnitude of the resulting acceleration
A power plant that uses the temperature gradient of the ocean has been proposed. The system is to operate between 21°C (surface temperature) and 6°C (water temperature at a depth of about 1 km).
A small-scale steame engine operates between the temperatures 20oC and and 300oC, Calculate the efficiency of the Rankine cycle
A ball is thrown horizontally from a height of 16.2 m and hits the ground with a speed that is three times its initial speed. What was the initial speed?
What is braking distance for the first train
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