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A series LC circuit contains a 100 mH inductor, a 36.0 mF capacitor and a 12 V battery. The period of the electromagnetic oscillations in the circuit isa. 0.0227 s.b. 0.376 s.c. 2.26 s.d. 105 s.e. 1750 s.
A beam of photons that have a wavelength equal to 6.8pm is scattered by electrons initially at rest. What is the change in wavelength of the photons
suppose that no heat is lost to the surroundings, what is the situation when termal equilibrium is reached.
The magnetic field between the poles of an electromagnet is 2.17 T. A coil of wire is placed in this region so that the field is parallel to the axis of the coil. How many turns are there in the coil
q1. an object hangs from a spring balance. the balance indicates 40 n in air and 30 n when the object is submerged in
A 5.0-kg crate is being pulled along a horizontal, smooth surface. What is the acceleration of the crate in m/s2
A 280 block on a 58 long string swings in a circle on a horizontal, frictionless table at 90.0 . What is the speed of the block.
A straight 2.06 -mm-diameter copper wire can just 'float' horizontally in air because of the force of the Earth's magnetic field B, What current I does the wire carry
The electric field in a particular space is = (x + 1.9) N/C with x in meters. Consider a cylindrical Gaussian surface of radius 22 cm that is coaxial with the x axis. What net charge (in Coulombs) is enclosed within the cylinder
A heat engine does 798.57 J of work per cycle while exhausting 163.83 J of waste heat. What is the engine's thermal efficiency in percent
Ideally, when a thermometer is used to measure the temperature of an object, the temperature of the object itself should not change. What was the temperature of the water before the insertion of the thermometer
q1. a cylinderical water tank of radius 10ft and height 30ft is half filled with water. how much work is essential to
The rocket's speed was measured to be 1.49 c. The rocket's rest length is 380m. An observer flying through measured the rocket to be 199m long.
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