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the dimensions of a rectangular block of brass youngs modulus90x1010 nm2 shear modulus35x1010 nm2 are 0012 m 0024 m
two meteoroids are 26times105 km from earthand moving at 25 kms one is headed straight for earthwhile the other is on a
how can you tell that the magnetic field is parallel to the surface for both of the triangular ends also how come there
two children hang by their hands from the same tree branch thebranch is straight and grows out from the tree trunk at
a 30kg man climbs to the top of the slide 4m high he slidesdown to the bottoma what is his kinetic energy at the bottom
two parallel copper conductors are each 0590 m long they carry 97-a currents in opposite directionsa what
a 100kg runner is heading north at a speed of 20 ms and a50kg runner is headed south at 30msa find the total momentum
a ball is kicked and when it leaves the persons foot it has avelocity for wich upsilon0x4 msec and nu0y3msecbefore
a helicopter propeller blade starts from rest and experiencesa constant angular acceleration of 240 rads2 what is the
light of wavelength 461 nmfalls on two slits spaced 0330 mm apart what is the required distancefrom the slit to a
a laser beam lambda 6328 nm is incident on twoslits 0220 mm apart how far apart are the bright interference fringes on
a heat engine makes use of 785 kj of heat to produce 245kj of worknbsp it operates at a temperature of 285 ocnbsp it
two insulated wires each 290 m longare taped together to form a two-wire unit that is 290 m long one wire carries a
the astronomical object 4u014261 has the distinction ofcreating the most powerful magnetic field ever observed this
102 a wire is made out of a steel alloy with y 200times1011paand breaking stress 100times109 pa the wire is 5m long
the prong of a tuning fork moves back and forth when it is set intovibration the distance the prong moves between its
an electron moves west to east in the continental united states does the magnetic force experienced by the electron
the period of oscillation of a spring-and-mass system is050 s and the amplitude is 50 cm what is the magnitude of the
when an object is located very far away from a convex mirror the image of the object is 19 cm behind the mirror
an object is placed 12 cm in front of a concave mirror whose focallength is 23 cm the object is 36 cm talldetermine a
in fig 10-34 three 00100 kg particles have beenglued to a rod of length and negligible mass and can rotate around a
a projectile of mass 0605 kg is shot straight up with aninitial speed of 183 ms a how high would itgo if there were no
in 112 minutes a ski lift raises four skiers at constant speed to a height of 133 m the average mass of each skier is
two balls are approaching each other head-on their velocities are 900 and-121 ms determine the velocity of the center
visitors at a science museum are invited to sit in a chair tothe right of a full-length diverging lens f1 -260 mand