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find the magnetic energy stored in the air gap between two very large magnetic pole pieces one north one south each
a series lc circuit contains a 100 mh inductor a 360 mf capacitor and a 12 v battery the period of the electromagnetic
a 13 n force with a fixed orientation does work on a particle as the particle moves through displacement d2i-5j4km what
a cord is used to vertically lower an initially stationary block of mass m 14 kg at a constant downward acceleration
a curve in a road forms part of a horizontal circle as a car goes around it at constant speed of 14ms the horizontal
a block of 44 kg is held at the top of a smooth incline the incline has height of 21 m and is at an angle of 19 degrees
a square loop length along one side 20 cm rotates in a constant magnetic field which has a magnitude of 20 t at an
a rock is suspended by a light string when the rock is in air the tension in the string is 391 n when the rock is
a 230kg hoop 220m in diameter is rolling to the right without slipping on a horizontal floor at a steady 300rads part a
a solid aluminum in got weighs 92 n in aira what is its volumeb the ingot is suspended from a rope and totally immersed
you are designing a diving bell to withstand the pressure of seawater at a depth of 220 ma what is the gauge pressure
a spring with a constant of 32 nm is placed on a horizontal smooth surface and a mass of 23 kg is pushed against it as
black smokers are hot volcanic vents that emit smoke deep in the ocean floor many of them teem with exotic creatures
the flywheel of a gasoline engine is required to give up 530j of kinetic energy while its angular velocity decreases
a grinding wheel in the shape of a solid disk is 0200m in diameter and has a mass of 250kg the wheel is rotating at
estimate the inductance of a solenoid made by buying a typical spool of wire from hardware store and winding it
a typical ten-pound car wheel has a moment of inertia of about 35kgm2 the wheel rotates about the axle at a constant
in a crash test a car of mass 1864 kg collides head on with a wall with speed 1296 ms in the -ve x direction the
a 18199 kg car that stopped at a traffic light is struck from the rear by a 41972 kg car the two cars become entangled
a constant force of 20 n is applied to an object of mass 75 kg at an angle of 22 degrees above the horizontal causing a
a 5-kg cart moving to the right along positive x axis with a speed of 6 ms collides with a concrete wall and rebounds
water flows through a fire hose of diameter 549 cm at a rate of 12 x10-2 m3s the fire hose ends in a nozzle of inner
a device to measure the density of a liquid is made of solid plastic with uniform density and has the shape of a sphere
a car of mass m traveling at speed v crashes into the rear of a truck of mass 2m that is at rest and in neutral at an
you have an uncharged capacitor 12 x 10-6 f and a resistor 1000 ohms connected to a battery of 200 v at time t 0 the