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a positive charge q 640000 c is uniformly distributed over the volume of a sphere of radius r 150 m assume a spherical
a van de graaff generator is utilized to demonstrate the effects of high potential the device has a radius of 295cm and
an archer shoots an arrow toward a 300 g target that is sliding in her direction at a speed of 230 mson a smooth
two shuffleboard disks of equal mass one orange and the otheryellow are involved in a perfectly elastic glancing
an electric motor rotating a workshop grinding wheel at a rate of 118 revmin is switched off suppose the wheel has a
a dentists drill starts from rest after 350 s of constant angular acceleration it turns at a rate of 24104 revmin1
a grating gives no third-order spectrum for any part of the visible spectrum 700 nm ndash 400 nmwhat is the least
a cylinder by a piston contains 250 mol of ideal oxygen at a pressure of 240 x 10nbspnbspnbsp 5 pa and a temperature of
an 800 g bullet is fired into a 230 g block that is initially at rest at the edge of a table of 100 m height the bullet
a 1200 kg car traveling initially with a speed of 250 ms in an easterly direction crashes into the rear-end of a 8200
the average speed of a nitrogen molecule in air is about 669 ms and its mass is 443times10-26 kg if it takes
an unknown mass of silver is pulled from a furnace where its temperature was 900c and placed on a very large block of
a turbine in an electric power plant rotates at 3600 rpm discover its angular speed in radianssecond and decide the
electrons are accelerated towards a television picture tube through a potential difference of 180 kva compute the
when light of wavelength 300 nm falls on a cobalt surface electrons are emitted that have a maximum kinetic energy of
a 32-g ice cube at its melting point of 273 k is dropped into a huge insulated container of liquid nitrogen suppose the
a rotating wheel needs 800 s to rotate 290 revolutions its angular velocity at the end of the 800 s interval is 1000
the tub of a washer goes into itrsquos spin-dry cycle starting from rest and reaching an angular speed of 60 revs in 90
a centrifuge in a medical laboratory rotates at an angular speed of 3600 revmin when switched off it rotates during 500
a potters wheel moves uniformly from rest to an angular speed of 017 revsin 34 s1 discover its angular acceleration in
the graph in figure 22-14 shows the current during a device called a silicon diode1 does the diode obey ohms law2 what
a 200g hockey puck is launched up a metal ramp that is inclined at a 30 degree angle the coefficients of static and
a locomotive is pulling 12 freight cars each of which is loaded with roughly the same weight the mass of each can be
a projectile is thrown upward at 240 degree with the vertical and returns to the horizontal ground 125 a later with no