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a 600-ev electron and a 300-ev electron trapped in a uniform magnetic field move in circular paths in a plane
a diverging lens with f -245 cm is placed f 135 cm behind a converging lens with f 200 cm where will an object at
the plates of a 31 nf parallel-plate capacitor are each 027 m2 in area if the plates are separated by a teflon sheet
a lid is put on a box that is 14 cm long 13 cm wide and 80 cm tall and the box is then evacuated until its inner
the plates of a 31 nf parallel-plate capacitor are each 027 m2 in areahow far apart are the plates if theres air
atmospheric pressure is about 10 105 pa on averagea what is the downward force of the air on a desktop with surface
a modern sculpture has a large horizontal spring with a spring constant of 274 nm that is attached to a 560-kg piece of
the string in a yo-yo is wound around an axle of radius 0501 cm the yo-yo has both rotational and translational motion
a bucket of water with a mass of 60 kg is attached to a rope that is wound around a cylinder the cylinder has a mass of
two 100 cm -diameter electrodes 052 cm apart form a parallel-plate capacitor the electrodes are attached by metal wires
part a two toy locomotives approach each other along the same line and upon collision both stop dead still one
a light spring-gun projectile launcher is mounted on an 0613 kg air track glider the gun points upward at an angle of
a high-pass rc filter is connected to an ac source with a peak voltage of 109 v the peak capacitor voltage is 51 v what
a rock is tossed off the top of a cliff of height 345m its initial speed is 291ms and the launch angle is 302degrees
a girl is riding her bicycle when she gets to a corner she stops to get a drink from her water bottle at that time a
cars a and b move in the same direction in adjacent lanes the position x of car a is given in the figure from time t 0
there is a uniform charge distribution of 790 10-8 cm along a thin wire of length l558 cm the wire is then curved
a toroid of mean radius 24 cm and circular cross section of radius 15 cm is wound with a superconducting wire of length
an electric motor rotating a workshop grinding wheel at a rate of 970 101 revmin is switched off assume the wheel has a
a student in a parked car honks the horn which has a proper frequency of 310 hz an observer in an approaching vehicle
a solenoid is wound with a single layer of copper wire of radius 0370 cm the solenoid is 450 cm in diameter and 160 cm
a block mass 1592kg supported by a vertical massless cable is initially at rest the block is then pulled upward with a
a car initially traveling at 243 ms undergoes a constant negative acceleration of magnitude 140 ms2 after its brakes
two thin slits are 0050 mm apart monochromatic light of wavelength 634 nm falls on the slits if there is a screen 60 m