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at a given instant an 56 mh inductor stored an energy of 89 microja what is the current in the inductor at this
the electric potential at the center of a 500 cm radius metallic sphere is zero volts the sphere is surrounded by a
a 50 newton horizontal force pushes a 10kg mass sitting on a horizontal surface additionally the horizontal surface
a charged line extends from y 250 cm to y -250 cm the total charge distributed uniformly along the line is -850 nca
a rescue helicopter lifts a 60 kg person straight up by means of a cable the person has an upward acceleration of 070
two thin rectangular sheets 025 m 051 m are identical in the first sheet the axis of rotation lies along the 025-m side
grinding wheel is initially at rest a constant external torque of 472 nmiddot m is applied to the wheel for 188 s
an extreme skier starting from rest coasts down a mountain that makes an angle 250deg with the horizontal the
a using faradays law derive the self-inductance per unit length of a long ideal solenoid with n turns per unit length
the lower boundary of the plate is defined by y 0650 x2 the plate has a mass of 370 kg find the moment of inertia of
a proton travels through uniform magnetic and electric fields the magnetic field is in the negative x direction and has
a projectile is fired in such a way that its horizontal range is equal to 2 times its maximum height what is the angle
series circuit contains a resistor and one unknown element which could be a resistor a capacitor or an inductor a 115
a 470 g golf ball is driven from the tee with an initial speed of 520 ms and rises to a height of 238 m neglect air
an automobile weighing 180times104 n is moving with an initial speed of 640 kmhr along a flat highway when the brakes
an experiment is performed in deep space with two uniform spheres one with mass 220 kg and the other with mass 1080 kg
a 700 kg girl lowers herself to the ground from a height of 88 m by holding onto a rope running over a pulley to a 540
a 710 kg skier is pulled up a frictionless ski slope that makes an angle of 150 deg with respect to the horizontal by
a plane is flying horizontally with speed 158 ms at a height 5810 m above the ground when a package is dropped from the
an inductor l 400 mh a capacitor c 443 microf and a resistor r 500 are connected in series a 540-hz ac generator
a singly charged positive ion has a mass of 216 times 10-26 kg after being accelerated through a potential difierence
a block of weight 45 n is at rest on a horizontal table an upward vertical force of 22 n is applied to the block by
at the equator near earths surface the magnetic eld is approximately 645 microt northward and the electric eld is about
the critical angle for a certain liquid-air surface is 438 degrees what is the index of refraction of the
a proton travels with a speed of 29times106 ms at an angle 44 degrees with a magnetic eld of 099 t pointed in the y