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a circular surface with a radius of 0057 m is exposed to a uniformexternal electric field of magnitude 144 times 104nc
a long current-carrying wire is parallel to the y axis with the current i 43 a along the y direction a magnetic field
in which one of the following circumstances could mechanical energy not possibly be conserved even if friction and air
a 0800 kg particle has a speed of200 ms at point a and kinetic energy of 730 j at pointba what is its kinetic energy
a large turntable rotates about a fixed vertical axis making onerevolution in 600 s the momentof inertia of the
a tablecloth of length l rests on top of a table also oflength l there is a bowl on the tablecloth at l2 assumethat the
two parallel wires are each carrying 10 a and are separated by 40 m if the currents are in opposite directions what is
a 300 t urn coil of area 25 cm2 is placed in an 80mt magnetic field if the coil carries a current of 33 a what is the
a 8cm radius disk with a rotational inertia of 12kgm2 is free to rotate on a horizontal axis a string is fastened to
a 2-kg block is released from rest at the top of an inclined planeof angle theta 30deg the block is located distance l
an earth satellite moves in a circular orbit 646 km above earths surface with a period of 9744 min what are a the speed
a light wave has a 670 rm nm wavelength in air its wavelength in a transparent solid is 420 rm nm what is the speed
a 014-kg pinecone falls 16m to the ground where it landswith a speed of 13ms a with what speed would the pinecone have
a football kicker can give the ball an initial speed of 31 ms what are the a least and b greatest elevation angles at
a 3 x 102 kg piano is being lifted at a steady speed from groundlevel straight up to an apartment 100 m above the
a 100 rm cm-long solenoid of diameter 0400 rm cm is wound uniformlywith 800 turns a second coil with500 turns is round
the drawing shows a positive point charge q1 a second pointcharge q2 taht may be positive or negative and a spot
a 44-kg girl is bouncing on a trampoline during a certain interval after leaving the surface of the trampoline her
a fighter jet is launched from an aircraft carrier with the aid ofits own engines and a steam-powered catapult the
a person pulls a toboggan for a distance of 333 m along the snowwith a rope directed 207 deg above the snow the tension
a rectangular loop of wire that is 11cm wide and 21 cm long lies in thexmdashy plane the loop is in a region wherethe
a long straight wire is carrying a current of 24 a in a region where the magnetic field is perpendicular to the wire if
a capacitor is connected in series with a resistor and a switch with the switch open the capacitor is charged to 90 v
a 860-muf capacitor is connected to a generator operating at a low frequency the rms voltage of the generator is 460 v
a steel ball is fastened to a cord and is released from rest when the string is horizontal at the bottom of its path