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the average magnetic energy density of an electromagnetic wave is 895 x 10-5 jm3 obtain the magnetic field component of
a bunch of grapes is located in a spring scale at a supermarket the grapes oscillate up and down with a period of 040
a capacitor is charged until it holds 5 joule of energy it is then connected across a 10-komega resistor in 106
to balance a 40 kilogram automobile wheel and tire a mechanic must place a 55 gram lead weight 24 centimeter from the
point charges of -820 muc are located at each corner of a square that is 0250 meter on a side obtain the electric
an object is formed by attaching a uniform thin rod with a mass of mr 655 kilogram and length l 516 meter to a
a spherical bowling ball with mass m 32 kilogram and radius r 0107 meter is thrown down the lane with an initial
a 101 kilogram rolling hoop with a radius of 10 centimeter rolls without slipping if the linear speed of the hoop is
a 200 kilogram roller coaster car travels over the top of a 40-m high hill hill a traveling at 10 meter per second it
a world-class sprinter accelerates to his maximum speed in 4 second he then maintains this speed for the remainder of a
three fire hoses are connected to a fire hydrant each hose has a radius of 0013 meter water enters the hydrant through
a 192 kilogram of glass is shaped into a hollow spherical shell that just barely floats in water determine thea outer
a paperweight when weighed in air has a weight of w 119 newton when completely immersed in water however it has a
the human lungs can function satisfactorily up to a limit where the pressure difference between the inside and outside
if the current in a 110 mh coil changes steadily from 25 amp to 13 amp in 330 milliseconds compute what the magnitude
a 60 kilogram water skier is being pulled by a nylon youngs modulus 37 x 109 nm2 tow rope that is attached to a boat
a spring is resting vertically on a table a box is dropped onto the top of the spring and compresses it assume the
the handle of a 25 kilogram lawnmower makes a 37 degree angle with the horizontal if the coefficient of friction
l-r-c circuit has an inductance of 0420 h a capacitance of 240 times 105 f and a resistance of ra find the angular
a horizontal force of 130 newton is required to push a bookcase across a floor at a constant velocity find how much is
a ball tied to the end of a 085 meter long string is twirled in a horizontal circle therefore that the centripetal
an aircraft weighing 978 newton is accelerated at 13 ms2 for 13 seconds at which time the aircraft launches compute how
a 700 gram ball moves in a vertical circle on a 107 meter long string if the speed at the top is 410 ms then the speed
a track is going down the air track with a photo gate near the end of the track find by what factor should the velocity
a 115 grams ball is moved to the right at 58 meter per second collides head-on with a 185 gram ball that is moving to