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A uniform magnetic field B that is perpendicular to the plane of the page now passes through the loops, as shown. The field is confined to a region of radius a, where a < b, and is changing at a constant rate. The induced emf in the wire loop of radius b is ε. What is the induced emf in the wire loop of radius 2b ?
Two carts collide in a perfectly elastic collision. What is the final speed of each cart? If they make a completely inelastic collision, what would their final speed be?
Suppose a tank contains 624 m3 of neon (Ne) at an absolute pressure of 1.01 105 Pa. What is the increase in the internal energy of the neon
With what minimum average speed must he move? (Ignore the fact that he can stretch, so that his racket can reach the ball before he does.)
What will its kinetic energy be if the angular velocity is increased to 10 rad/s? Answer in J.
A spring with a constant k=42.3 N/m has a 2.10 kg mass attached to it. The mass is free to slide on a frictionless track parallel to the spring. What is the total energy in the system
The electric potential energy stored in the capacitor of a defibrillator is 100 J, and the capacitance is 100 F. What is the potential dissimilarity across the capacitor plates?
A projectile is launchedat some speed and angle above the horizontal from the ground. It takes the projectile 4.47seconds to come back to the ground. How long does it take the projectile to reach its maximum height in seconds? Do it fast please.
a piano tuner hears a beat frequency of 6.2 hz when comparing the pianos a-string against a reference tuning fork
Modeling the optical trap as a Hookean spring, evaluate the trap stiffness using the Boltzmann distribution. Determine the sphere diameter by comparing the Stokes drag and the tweezer force that balances the drag.
a bare cubical reactor of side a 314.16 cm is operating at a steady state power of 200 mw. if the origin is taken at
A long, thin solenoid has 880 turns per meter and radius 2.60 cm . The current in the solenoid is increasing at a uniform rate of 61.0 A/s. A) What is the magnitude of the induced electric field at a point 0.520 cm from the axis of the solenoid?
what resistance would have to be connected in series with a 3V lamp in a 28 V circuit when the operating current of the lamp is .5 A
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