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a bullet with a mass of 40 g and a speed of 650 ms is fired at a block of wood by a mass of 0095kg the block rests on a
a 50 c charge is 10m from a -20c charge what is the electrostatic force on the positive charge1 90x108 n toward neg
a 457 mev alpha particle from radium226ra decay makes a head-on collision with a uranium nucleus a uranium nucleus has
the magnetic potential energy stored in a certain inductor is 225 mj when the current in the inductor is 575 maa
a uniform disk that has a mass m rotates freely about a horizontal axis that goes during the center and is
if the energy removed from an engine as heat during one cycle is34x102 j how much energy should be added to the engine
a solenoid of radius 22 cm has350 turns and a length of 17 cma discover its inductancenbspb find the rate at which
the owner of a van installs a rear-window lens that has a focal length of -0310 m when the owner looks out during the
a rotating door is made from four rectangular sectionsnbsp the mass of all section is 85kgnbsp a person pushes on the
a horizontal beam 4m long is attached to a vertical wall with a hinge at one end and a body of weight 500n hangs from
imagine the motion of the human forearm in throwing a dart because of the force m applied by the triceps muscle the
an object a of mass 01 kg strikes a second objects b of mass03 kg that is initially at rest mass a has an initial
in a certain cyclotron a proton moves in a circle of radius 0900 m the magnitude of the magnetic field is 150 t1 what
one end of a brass bar is maintained at 296degc while the other end is kept at a constant however lower temperature the
a 200 kg hoop with a radius of 00750 m was placed at the top of a300 m long ramp the top of the ramp was 0800 m above
one end of an iron poker is placed in a fire where the temperature is 515degc and the other end is kept at a
a hydrogen atom in a state having a binding energy the energy necessary to remove an electron of 0378 ev makes a
for which l and s values does an atom exhibit the normal zeeman effect does this apply to both ground and excited
a bicycle wheel that has a radius equal to 28cm is mounted at the centre of a 50cm long axle the tire and rim weigh 30n
a bicycle is turned upside down while its owner repairs a flat tire a friend spins the other wheel and observes that
an astronaut travels to a star system 45 ly away at a speed of 09c suppose that the time needed to accelerate and
in the figure water stands at depth d 350 m behind the vertical upstream face of a dam of width w 315 m discover the
a cylindrical chamber open at the bottom is to be submerged in the ocean and utilized as a diving chamber as shown in
a solid wood door 060 m wide is hung in a metal door way at 00degc by a clearance of 23 mm on the side if the linear