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a person is riding a bicycle the wheels of a bicycle have an angular velocity of 250 rads then the brakes are applied
a 75 kg man jumps from an airplane when his parachute deploys it exerts a 500 n force on the man at an angle of 30
an electron moves with a speed of 80x106 ms along the x axis it enters a region where there is a magnetic field of 25t
a charged particle moves 19 mm in electric field with magnitude of 242 nc if electrical potential energy of moving
a proton q160 x 1019c moves 100 cm on a path parallel to the direction of a uniform electric field of strength 30 nc
two point charges have a value of 30 c each and are 4 cm apart what is electric field at the midpoint between the two
one billiard ball is shot east at 250 ms a second identical billiard ball is shot west at 139 ms the balls have a
a resistor r 900 a capacitor c 025 microf and an inductor l 40 h are connected in series across a 240 hz ac source
a physics book is thrown horizontally 20ms out of a 5m high window how far horizontally did the student throw the
peter a 100kg basketball player lands on his feet after completing a slam dunk and then immediately jumps up again to
1 you are trying to lift a 10kg dumbbell by pulling upward on it with a 1081 n force what will the acceleration of the
a solenoid is wound with 470 turns on a form 4 cm in diameter and 50 cm long the windings carry a current that produces
a solenoid 30 cm long consists of 8942 loops of wire if the magnetic field inside the solenoid is 10 t what is the
uniform plate of height 1980 m is cut in the form of a parabolic section the lower boundary of the plate is defined by
a ball of mass 040kg has a kinetic energy of 288j what is the magnitude of the linear momentum of the
the speed of light in a certain substance is 931 of its value in water for water n 133what is the index of refraction
a spherically symmetric electromagnetic wave is emitted by a 1030 w sourcewhat is the irradiance at a distance of 140
a stunt driver is attempting to jump 20 cars of total length of 42m using an inclined ramp the maximum safe speed the
a 5 m length of wire carrying a current of 5 a lies on a horizontal table with a rectangular top of dimensions 0300 m
a 30-v battery with an internal resistance of 25 omega is connected to a lightbulb of a resistance of 60 omega what is
0120 stone rests on a frictionless horizontal surface a bullet of mass 500 traveling horizontally at 370 strikes the
in the challenger deep of the marianas trench the depth of seawater is 109 km and the pressure is 116 x 108 paif a
a rubber ball is dropped from a distance of 140 m above ground and bounces to 60 of its original height if the average
a container of water begins with a heat capacity of 500jk constant and a temperature of 70c it cools in a room at 10c