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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
two cars a and b are traveling in the same direction although car a is 158 m behind car b the speed of a is 268 ms and
two cylindrical bars each with diameter of 200 cm are welded together end to end one of the original bars is copper and
two conducting wires of the same material are to have the same resistance one wire is 17 m long and 039 mm in diameter
a car travels up a hill at a constant speed of 27 kmh and returns down the hill at a constant speed of 67 kmh
the potential difference between a storm cloudand the ground is 100 million volts if a charge of 2 coulombsflashes in a
the linear momentum of a 1500kg car increased by 740times103 kgms in 119 swhat is the magnitude of the constant force
in the absence of air resistance a projectile is launched from andreturns to ground level it follows a trajectory
a bullet of mass 60g is fired horizontally into a 26 kg wooden block atrest on a horizontal surface the coefficient of
two boats are heading away from shore boat 1 heads due north at a speed of 32 msrelative to the shore relative to boat
a particular heat engine has a useful power outputof 530 kw and an efficiencyof 240the engine expels 6300 j ofexhaust
four equal point charges q are fixed at the corners of a squareof side b a what is their total electrostatic potential
an egg is thrown nearly vertically upward froma pointnear the cornice of a tall building it just misses the cornice
figure 25-18 shows a parallel-plate capacitor of plate areaa and plate separation d a potential differencev0 is applied
a person is girded about the chest with a breathing monitorwhich is a 100-turn coil as a breath is inhaled the area of