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two identical conducting spheres fixed in place attract eachother with an electrostatic force of 220 n when
a single pane glass window of 5 mm thickness and dimensions 3ft x 2ft is positioned vertically if the inside
the drawing shows four insulated wires overlapping one another forming a square with 0050-m sides all four wires are
the electric fluxthrough each face of a 50m x 50m x 50m cube is 130 nm2c how much charge is inside the
two circular coils of current-carrying wire have the same magnetic moment the first coil has a radius of 0091 m 120
a wind turbine is initially spinning at a constant angular speedas the winds strength gradually increases the turbine
a car is traveling down around a banked curve in the road the curve has a radius of 300 m and is banked at an angle
at low frequencies the dielectric constant of a medium is 44 the speed of light is 2998 times 108 msfind the speed of
the femur is a bone in the leg whose minium cross-sectional area isabout 420 10-4 m2 a compressional forcein excess of
at an amusement park a swimmer uses a water slide to enter the main pool if the swimmer starts at rest slides without
a 601 kg car stopped at an intersection is rear-ended by a 1420 kg truck moving with a speed of 115 ms if the car was
a simple pendulum is made from a 063 m long string and a small ball attached to its free end the ball is pulled to one
a 200 kg dog is running northward at 200 ms while a 500 kg cat is running eastward at 264 ms their 700 kg owner has the
a wire has a diameter of 0200mm and stretches 20 when a force of 628 newtons is applied to it what is the elastic
a thin hollow 0545 kg section of pipe of radius 100 cm startsrolling from rest down a 175 degree incline 560 m longa if
a boat takes 400hours to travel 5km down a river then 500 hoursto return how fast is the river
assuming that the earths orbit around the sun is circular use the appropriate information about the earth to calculate
a pulse of light in air is incident on a medium with an indcident angle of 34 degreesnbsp the velocity of light in the
write an equation for the magnetic flux through a coil as afunction of the strength of the magnetic field and the
a 0150-kg glider is moving to the right on a frictionlesshorizontal air track with a speed of 080 ms it has ahead-on
one of james bonds adversaries is standing on a frozen lake there is no friction between his feet and the ice he
an outside loudspeaker considered a small source emits soundwaves with a power output of 75 wa find the intensity 75 m
a what linear speed must an earth satellite have to be in a circular orbit at an altitude of 162 kmb what isthe period
in a billiard ball collision a 5 kg cue ball hits the 5 kg eight-ball with a velocity of 39 ms the cue ball just skims
two 6 m long mirrors stand vertically and are parallel to each other 06 m apartnbsp a ray of light reflects off the