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how long does it take electrons to get from a car battery to the starting motor assume the current is 340 a and the
at a market a bunch of bananas are set on a spring scale tomeasure their weight the spring sets the bunch into an
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a wave has angularfrequency 90 rads and wavelength180 ma calculate the angular wave numberm-1b calculate the speed of
a wire 300 m long and 0450 mm2 in cross-sectionalarea has a resistance of 38 at 20degc if its resistance increasesto
a rocket is launched at an angle of 580deg above thehorizontal with an initial speed of 97ms the rocket moves for 300 s
if two successive overtones of a vibrating string are 280 hzand 350 hz what is the frequency of the
two earthquake waves of the same frequency travel through thesame portion of the earth but one is carrying twice the
a car travels at a constant speed around a circular track whose radius is 326 km the car goes once around the track in
a 570 kg object on a horizontalfrictionless surface is attached to a spring with spring constant1090 nm the object is
there is a clever kitchen gadget for drying lettuce leaves afteryou wash them it consists of a cylindrical container
a cannon is fired horizontally from atop a 400 m tower the cannon ball travels 145 m horizontally before it strikes the
to determine the location of his center of mass a physics studentlies on a lightweight plank supported by two scales 25
in a ballistics test a 25 g bullet traveling horizontally at1200 ms goes through a 25 cm thick 350 kg stationary target
a metal sphere of radius 13 cm has a net charge of 28 x10ndash8 c a what is the electricfield at the spheres surface b
two forces act on an object one has a magnitude of152 newtons and points at an angle of680deg above the x axis the
proton in a well figure 24-51 shows electric potentialv along an x axis a proton is to be released atx 33 cm with
a particle of charge 30 x 10-8 is in a unifromelectric field directed to the left it is released from rest andmoves a
quarterback fred is going to throw a pass to tight end dougdoug is 20m in front of fred and running in a straight line
two capacitors are identical except that one is empty and the other is filled with a dielectric kappa 450nbsp the
suppose you form a dipole from two point charges with a magnitude of charge q the postive charge is located at the
it is desired to cool iron parts from 500degf to 100degf by dropping them into water that isinitially at 65degf
two runners approaching each other on a straight track have constant speeds of 450ms and 350ms respectively whenthey
an extreme skier starting from rest coasts down a mountainthat makes an angle 250deg with the horizontal the
a child complains that her 160 g of milk is too hot at 90 degree c she then pour 80 g of cold milk at 7 degree c in it