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Two resistors, one of 5 ohms and the other of 3 ohms, are connected in series to a 6V battery. (a) What is the resistance of the combination? (b) What is the potential difference across each resistor? (c) What is the total current passing through the circuit? (d) What is the current passing through each resistor? Repeat the calculations for the two resistors connected in parallel.
You are designing an airport for small planes. One kind of airplane that may use this airfield must reach a speed of at least 27.8m/s (100 km/h), what minimum length must the runway have
A 28-turn circular coil of radius 4.20 cm and resistance 1.00 %u03A9 is placed in a magnetic field directed perpendicular to the plane of the coil. Calculate the induced emf in the coil at t = 5.80 s
A 1.50 cm diameter parallel-plate capacitor with a spacing of 0.900 mm is charged to 300 V. What is the total energy stored in the electric field
A rotating cylinder about 16- {rm km} long and 6.8 -km in diameter is designed to be used as a space colony. With what angular speed must it rotate so that the residents on it would experience the similar acceleration because of gravity as on Eart..
Two objects (39.0 and 23.0 kg) are connected by a massless string that passes over a massless, frictionless pulley, find the acceleration of the objects
a frictionless pulley which can be modeled as a 0.80 solid cylinder with a 0.30 m radius has a rope going over it. What is the angular acceleration of the pulley
A 38 g bullet is fired with a speed of 180 m/s into a 5 kg sandbag pendulum that is free to swing. To what maximum vertical height will the pendulum rise.
The mutual inductance between two coils is .0100H. The current in the first coil changes uniformly from 2.70 A to 5.0 A in .160 sec. find the magnitude of induced current in the second coil
Suppose a car battery provides 14 Volts when not in use. When the starter cranks, it draws 100 Amps, Find the Thevenins equivalent circuit for this battery
At the time the switch is closed completing a simple LC circuit, the capacitor has 3.4 J of stored energy and the inductor has no stored energy. What is the energy stored in the inductor at that time
the electron-volt ev is a unit of energy 1ev 1.602 middot10-19 j 1 mev 1.602 middot10-13 j. since the unit of
A student (m = 63 kg) falls freely from rest and strikes the ground. During the collision with the ground he comes to rest in a time of 0.040 s. From what height did the student fall
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