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two point charges q132 nc and q225 nc are located at the points mx-3m y0 and nx1my2m respectively how much work must be
a bicycle wheel has a diameter of644cm and a mass of190kg assume that the wheel is a hoop with all of the mass
the moons diameter is 348 x 10 6 m and its mean distance from the earth is 385 x 10 8 m the moon is being photographed
a large grinding wheel in the shape of a solid cylinder of radius 0330 m is free to rotate on a frictionless vertical
a 2-m3 vessel contains air at 40oc and 236 kpa the vessel is fed with fresh air until the air inside the vessel reaches
jane is standing on the platform waiting for the train the train approaching the platform from the north at 20 ms blows
a particle with charge 640x10-19 c travels in a circular orbit with radius 468 mm due to the force exerted on it by a
1300-l rigid tank contains 16 kg of refrigerant-134a vapor at 320 kpa the refrigerant is cooled until the temperature
sodium ions na move at 0794 ms through a bloodstream in the arm of a person standing near a large magnet the magnetic
a rabbit runs in a garden such that the x- and y- components of its displacement as function of times are given by xt
an automobile has a vertical radio antenna 100 m long the automobile travels at 560 kmh on a horizontal road where
two cars traveling in opposite directions collide head on and are brought to rest if each car has a mass of 1100 kg and
a real heat engine working between heat reservoirs at 970 k and 650 k produces 550 j of work per cycle for heat input
a spherical asteroid with radius of 173 km has uniform density 3500 kgm3 find the gravitational acceleration at the
a fully loaded boeing 777 commercial airplane with a mass of 3036 tonnes is at one end of the runway and about to take
a series rc circuit with c 32 muf and r 68 omega has a 24 v source in it with the capacitor initially uncharged an
a diver of mass 60kg on entering the water with an initial velocity of 1487ms-1 experienced a force of resistance due
a ball of mass 040 kg moves horizontally at a velocity of 250 ms it bounces off of a wall and it has a velocity of 180
a 2kg block of wood floats on water with 75 of its volume submerged a steel block is placed on the wood fully
a 180 m length of wire is held in an east-west direction and moves horizontally to the north with a speed of 149 ms the
a rectangular coil with dimensions of 80 cm times 10 cm is dropped from a zero magnetic field position to a 14 t
a person looking out the window of a stationary train notices that raindrops are falling vertically down at a speed of
you are traveling in a convertible with the top down the car is moving at a constant velocity of 128 ms due east along
a dragster starts from rest and accelerates down a track each tire has a radius of 0320 m and rolls without slipping at
in diving to a depth of 346 m an elephant seal also moves 422 m due east of his starting point what is the magnitude