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a 144 kg monkey wrench is pivoted at oneend and allowed to swing as a physical pendulum the period of itsmotion is 0860
a 0340 kg block is attached to ahorizontal ideal spring with spring constant k 300 nm there is no friction at t 0 the
a solid piece of aluminum weighs 576 g in air and 265 g when submerged in a liquid a what is the volume of the metal
a tube open at only one end is cut into two shorternon-equal lengths the piece open at both ends has a
violet light falls on a surface with two small slits 19 x10ndash4 cm apart a first-order line appears 132 cmfrom the
two points a and b are separated by 00360m the potential at a is 811 v and that at bis 416 v find the magnitude of the
the generator at a power plant produces ac at 48000 v a transformer step this up to 345000 v for transmission over
in the amusement park ride known as magic mountain supermanpowerful magnets accelerate a car and its riders from rest
a small fan pulls the air in and forces it through the resistorswhere it is heated if the density of the air is 12 kgm3
two waves are traveling in opposite directions on the same string the displacements caused by the individiual waves are
a fountain shoots a jet of water 10 m into the air the fountainhas a round nozzle of diameter 184 cm at ground level
two particles with charges 6e and -3e areinitially very far apart effectively an infinite distance apartthey are then
a movig particle encounters an external electric field that decreases its kinetic energy from 9380 ev to 7310 ev as the
just because the title of this section is ldquowave opticsrdquodoesnt mean that it only applies to light the phenomena
a current of 0300 a through your chest can send your heart into fibrillation ruining the normal rhythm of heart beat
a spacecraft drifts through space at a constant velocity itthen turns on a jet that provides a constant force in the
suppose the sir track glider has a mass of 017 kg and the springconnected to it has a spring constant of 20 nm if the
a soccer player kicks a rock horizontally off a 369 m high cliff into a pool of water if the playerhears the sound of
a 650 kg elevator starts from rest it moves upward for 35s withconstant acceleration until it reaches its cruising
a solid metal sphere with radius 0590m carries a net charge of 0300 nca find the magnitude of the electric field ata
suppose a 1-meter-long bare expands 05 centimeters when heated by how much will a 100-meter-long bar of the same
a fireman 460 m away from aburning building directs a stream of water from a ground-level firehose at an angle of
a small piece of dust ofmass m 23 microg travels through an electric aircleaner in which the electric field is 567 nc
two identical conducting spheres fixed in placeattract each other with an electrostatic force of -07250n when separated
electric fields are vector quantities whose magnitudes are measured in units of voltsmeter vm find the resultant