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the electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 16 x
an inductor carries a current of 25 a and the magnetic energy stored in the inductor is 0035 j what is the
a simple pendulum has a mass of 0650 kg and a length of 200 m it is displaced through and angle of 70 degrees and then
a child in a swing starts from rest while pulled back at an angle of 30 degrees from vertical the swing is released and
a 64-kg runner rounds a circular track of radius 637 m at a constant 530 ms find the magnitude of her momentum changes
a block slides down a frictionless ramp of height 037 meters at the bottom it reaches a horizontal plane the
a series rlc circuit consists of a 49-ohm resistor and a 50-uf capacitor the ac voltage source operates at 600 h if the
youre using a rope to pull a sled at constant velocity across level snowwith coefficient of kinetic friction 0050
a 1550 kg car drives around a flat 200 m diameter circular track at 30 ms what is the magnitude and direction of the
a person pushes a 123-kg shopping cart at a constant velocity for a distance of 165 m on a flat horizontal surface she
a skater holds her arms outstretched as she spins at 150 rpm what is the speed of her hands if they are 145 cm
a rescue helicopter lifts a 853-kg person straight up by means of a cable the person has an upward acceleration of 0697
a bicyclist rides 301 km due east while the resistive force from the air has a magnitude of 771 n and points due west
a student starting from rest slides down a water slide on the way down a kinetic frictional force a nonconservative
an olympic weightlifter snatches 100 kg in a snatch the barbell is moved from a stationary position on the floor to a
in the series rlc circuit which consists of a 150-ohm resistor a 127x10-6 f capacitor and a 0035 h inductor 600hz power
a crate rests on the flatbed of a truck that is initially traveling at 15 ms on a level road the driver applies the
a 480 g ball swings in a vertical circle at the end of a 19 m-long string when the ball is at the bottom of the circle
a swing ride at a carnival consists of chairs that are swung in a circle by 193 m cables attached to a vertical
concept simulation 51 reviews the concepts that are involved in this problem a child is twirling a 00282-kg ball on a
the total length of a bike trip is 300 km suppose you take this tour and your bike has wheels with a diameter of 80 cm
to test the quality of a tennis ball you drop it onto the floor from a height of 400 m it rebounds to a height of 200 m
a generator is designed to produce a maximum emf of 150 v while rotating with an angular speed of 3600 rpm each coil of
a 019-kg ball on a stick is whirled on a vertical circle at a constant speed when the ball is at the three oclock