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in a high magnetic field experiment a conducting bar carrying 135 ka passes through a 30 centimeter long region
the star sirius is a distance of 8 light-years from the earth if sirius abruptly stopped shining how much longer would
an electric motor consists of a 70 turn coil 30 centimeter in diameter mounted between the poles of a magnet that
a certain microwave oven produces microwaves of frequency 2450 mhz by a power of 500 w how long must it take to heat
a 711 turn circular loop coil 197 centimeter in diameter is initially aligned therefore that its axis is parallel to
a discus thrower accelerates a discus from rest to a speed of 257 ms by whirling it during 120 rev suppose the discus
you have a summer job working for a major manufacturer of audio components the lead designer of loudspeakers asks you
in an american football game a 893kg fullback running east with a speed of 507 ms is tackled by a 959 kg opponent
a block of wood is held in place against a rough wall by someone pushing on it with a force directed upward at 28
an explorer is caught in a whiteout in which the snowfall is thus thick that the ground cannot be distinguished from
which will give the greater improvement in the efficiency of a carnot engine a 10 degree c increase in the
the capacitor in an rc circuitr 110 omega c 50 muf is initially unchargeda calculate the charge on the capacitor in
what mass of water at 250deg c added to a styrofoam cup containing two 600-g ice cubes from a freezer at -170deg c will
two frisky grasshoppers collide in mad air at the top of their respective trajectories and grab on to each other
a block of mass m1 10 kilogram is located on the 30 degree inclined plane and connected to a second hanging block of
a 50 kg rider on a moped of mass 75 kg is traveling with a speed of 20ms each of the two wheels of the moped has a
a step up transformer is used on a 110 volt line and supplies a load with 20 a the ratio of the primary and secondary
an 850n backpack is hung from the middle of an aluminium wire where there is a 300 degree angle created on each
an electron traveling at 362 ms enters a 95 t magnetic field the angle between the velocity and the field is 56 degree
think about two concentric spherical thin metal shells of radii a and b where b ge a the outer shell has a charge q
a luggage handler pulls a 210 kilogram suitcase up a ramp inclined at 240 degree above the horizontal by a force of
astronaut benny travels to vega the fifth brightest star in the night sky leaving his 350-year-old twin sister jenny
a helicopter is flying horizontally at a speed of 60 ms and accidentally drops a storage pod from an elevation of 300 m
1 an object is 13 cm from the surface of a reflective spherical christmas-tree ornament827 cm in diameter what is the
1 after your sports car breakdown you start to push it to the nearest repair shop while the car is starting to move how