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katie and emily are riding on a circular merry-go-round that has a radius of 5 m katie is on a horse that is 25 m from
a person exerts a force of 48 n on the endof a door 86 cm widea what is the magnitude of the torque if the force is
if solutions of potassium carbonate copperii chloride and leadii nitrate are each added to a beaker what is the net
what is the number actual count of h in 10 mls of water at a specific ph like ph 9 7 2
a long straight wire has fixed negative charge with a linear chargedensity of magnitude 40 ncm the wire isto be
a 088 kg ball drops vertically onto a floor hitting witha speed of 33 ms it rebounds with an initial speed of 13msa
the following reaction yielding manganese proceeds until the limiting substance is all consumed 2al 3mno al2o3 3mn a
how long does it take electrons to get from a car battery to the starting motor assume the current is 340 a and the
carbon tetrachloride ccl4 was once used in the cleaning industry before people realized it was a carcinoginic compound
at a market a bunch of bananas are set on a spring scale tomeasure their weight the spring sets the bunch into an
a uniform electric field of magnitude 405nc pointing in the positive x-direction acts on anelectron which is initially
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 warm air mass t 292 moves across north carolina until it meets the smokey mountains then the air mass rises rapidly
a rocket is launched at an angle of 580deg above thehorizontal with an initial speed of 97ms the rocket moves for 300 s
suppose that an enzyme has the capacity to convert substrate a km 1 x 10-3 m to a product p1 suppose the same enzyme
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