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determine the cost of operating a lamp for 24 hours that draws 17a from a 110 volt line if the cost of electrical
the current supplied by a battery slowly decreases as the battery runs down assume that the current as a function of
you have made the finals of the physics olympics as one of your tasks you are given 10 gram of aluminum and asked to
two closely spaced circular disks form a parallel plate capacitor transferring 15 x 109 electrons from one disk to the
if two such bolts strike simultaneously at a distance of13 meter from each other find what is the magnetic force per
a powerful bolt of lightning can carry a current of 225 ka a treating a lightning bolt as a long thin wire find the
starting from rest a 12 centimeter diameter compact disk takes 26 second to reach its operating angular velocity of
an athlete at the gym holds a 10 kilogram steel ball in his hand his arm is 62 centimeter long and has a mass of 40
when a 25 kilogram object is hung vertically on a certain light spring described in hookes law the spring stretches
a box starts out at the top of a frictionless ramp then slides down the ramp has a heightnbsphnbsp 4 m and a slope of
a man is applying a horizontal force in trying to push a 25 kilogram block up a frictionless plane inclined at an angle
a tennis ball m 54 gram is projected vertically with an initial speed of 96 msa if the ball rises to a maximum height
each year there is a foot race to the top of the empire state building the vertical distance traveled using the stairs
two balls of identical mass m are connected by a 084 meter long cord and located on a smooth frictionless table 137
a child slides without friction from a height of 104 meter above the water along a curved water slide she is launched
a proton charge e 160 x 10-19 c mass m 167 x 10-27 kilogram accelerates from rest by crossing a potential difference
a series rc circuit has a time constant of 0950 sec the battery has an emf of 450 volt and the maximum current in the
the fastest pitched baseball was clocked at 46 ms if the pitcher exerted his force assumed to be horizontal and
a battery has fully charged a capacitor the battery emf is epsilon 20 volt the resistance r 60 ohm the capacitance
consider a seriesnbsprcnbspcircuit for whichnbspcnbsp40 microfnbsprnbsp 22nbspxnbsp106 omega andnbspepsilonnbsp 23
a snowball rolls off a barn roof that slopes downward at an angle of 40 degree the edge of the roof is 140 meter above
a block of mass m1 0420 kilogram is released from rest at the top of a curved shaped frictionless wedge of mass m2 300
a 500 gram bullet moving with an initial speed of 390 ms is fired into and passes through a 100 kilogram block the
sand from a stationary hopper falls on a moving conveyor belt at the rate of 570 kgs the convey or belt is supported by
fifteen clowns are late to a party they jump into their sporty coupe and start driving eventually they come to a level