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a good baseball pitcher can throw a baseball toward homeplate at 85mih with a spin of 1800revmin how many revolutions
during a particular thunderstorm the electric potential differencebetween a cloud and the ground is vcloud -vground
hulk jumps a total distance of 102m and reaches a maximumheight of 52m what was his initial velocity both magnitude and
what is the madelung constant why can the same madelung constant be used for seemingly different
a free electron has a wave function psi xasin51010x where x is measured in m find a the electrons de broglie wavelength
before beginning a long trip on ahot day a driver inflates an automobile tire to a gauge pressureof 260atm at 300 k at
the electric field between the plates of a parallel-plate capacitoris horizontal uniform and has a magnitude e a
ground and cloud the electric potential differencebetween the ground and a cloud in a particular thunderstorm is25
identical point charges of 26 microc are fixed tothree of the four corners of a square what is themagnitude q of the
a 76-kg ice hockey player standing on a frictionless sheet ofice throws a 56-kg bowling ball horizontally a fan in the
a planets moon travels in an approximately circular orbit ofradius 74 107 m with a periodof 6 h 9 min calculate the
a dog on a merry-go-round undergoes a 12 ms2 linearacceleration if the merry-go-rounds angular acceleration is 63rads2
the force applied to the cart in question a by springscale f1 is still 1225 n the cart now moves toward the right
a tennis ball rolls off the edge of a tabletop of height0710 m above the floor and strikes the floor at a point
a skater with an initial speed of 760 ms is gliding acrossthe ice air resistance is negligible the coefficient of
a semiconductor gaas laser emitting at 800 nm has a 400 micrometer cavity length with a refractive index n36 if the
a car is traveling in a uniform circular motion on a section of road whose radius is rnbspnbsp the road is slippery and
a 200 kg block of ice is placedagainst a horizontal spring that has force constant k 220 nm andis compressed 0037 m
a factory worker pushes a 250 kgcrate a distance of 46 m along a level floor at constant velocityby pushing
where does the bare 5 come from in the spring equation i know where the 5 comes from 12 i know where the 12 comes from
when beryllium-7 ions m 1165 x 10-27 kgpass through a mass spectrometer a uniform magnetic field of 0322t curves their
a house has a floor area of 113m2 and an outside wall that has an area of 33 m2 the earths magnetic field herehas a
1 a motorcycle is traveling up one side of a hill and down the otherside the crest is a circular arc with a radius of
1 how long does it take a plane traveling at a constant speed of110 ms to fly once around a circle whoseradius is 3300
anelectron is accelerated from rest by a potential difference of350 v it then enters a uniformmagnetic field of