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ball a is attached to one end of a rigid massless rod while an identical ball b is attached to the center of the rod
if a car shifts gears from first to second after 5 seconds when the speed is 60mph second to third happens after 10
a 690-w space heater is designed for operation in germany wherehousehold electric outlets supply 230 v rms service what
a capacitor with air between its plates is charged to 140 v and then disconnected from the battery whena piece of glass
a parallel plate capacitor has a left plate with a positive charge of q and a right plate with a charge of -q the
a 50 kg block of ice slides downa frictionless incline 15 m long and 089 m high a worker pushes up against the ice
two cars are traveling along a straight road car a maintains aconstant speed of 82 kmh and car bmaintains a constant
a cubical gaussian surface surrounds two chargesq1 68times10-12 c and q2 -20times10-12 c as thedrawing shows what is
10c of charge are placed on a spherical conducting shell aparticle with a charge of -3c is placed at the center of the
you are arguing over a cell phone while trailing an unmarked police car by 260 m both your car and the police car
a proton moves 25 cm parallel to auniform electric field of e 170nca how much work is done by the field on the protonb
when a high-speed passenger train traveling atvp 55 ms rounds a bend the engineer is shocked to see that a locomotive
a 500 - 1 g block sits in the middle of a balance strings with small mass hangers are attached the mass hanger abovethe
you are standing on the road as a garbage truck recedes from you ata speed of 30 ms the trucks backup signal sound has
a 30 microc charge is placed 40 cm from an identical 30microc charge how much work would be required to move a
consider a radar system in an air traffic control center that ismonitoring the distance to an approaching airplane if
a bolt comes loose from underneath an elevator that is movingupward at a speed of 41 ms the boltreaches the bottom of
a ball is launched directly upward from ground level with aninitial speed of 19 ms air resistanceis negligiblea how
a fathom is a unit of length usually reserved for measuring thedepth of water a fathom is approximately 6 ft in length
an unresolved binary system consists of two stars one has v 600 and b-v 22 and the second star v 850 and b-v 012 a
two identical small insulating balls are suspended by separate025-m threads that are attached to a common point on the
relative to the ground a car has a velocity of 145 ms directed due north relative to this car a truck has a velocity of
an important factor in many biochemical cell processes is the potential difference across a cell membrane the inside of
1 how much time would be required to stop a 2000kg car that is moving at 800 kmhr if the braking force is 8000n2 if a
a man standing 152 m in front of a shaving mirror produces aninverted image 180 cm in front of it how close to the