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a hollow cylindrical copper pipe is 140m long and has an outside diameter of 390cm and an inside diameter of 260cm how
1 a piece of charcoal used for cooking is found at the remains of an ancient campsite a 073 kg sample of carbon from
a charged isolated metal sphere of diameter 13 cm has a potential of 9800 v relative to v 0 at infinity calculate the
in the lab you place a beaker that is half full of water density rhow on a scale you now use a light string to
in an amusement park rocket ride cars are suspended from 425 m long cables attached to rotating arms at a distance of
water flows at a rate of 21 through a horizontal 80--diameter pipe under a pressure of 106 at one point calcium
at the same time a stone downward at 10 ms from the roof of a 60 m tall building another is stone is thrown upward at
an infinitely long cylinder radius a carries a current i distributed uniformly over its cross-sectional area the axis
a cylinder is rotating about an axis that passes through the center of each circular end piece the cylinder has a
the power brick for the authors laptop computer has a power rating of 90 w it uses a step-down transformer to convert
an infinitely long cylinder has a circular cross section of radius a and its axis along the z axis a steady current i
a cd has a mass of 17 g and a radius of 60 cm when inserted into a player the cd starts from rest and accelerates to an
a wood- sphere of radius 10 cm has a core of lead also in the shape of a sphere the wood sphere when placed in water
a transformer has an input coil with nin 200 turns and nout 800 turns if the voltage across the input coil has an
an artillery expert fires a cannonball at an angle of 3687o at an enemy encampment sitting on a plateau 40 m high and
four charges q4nc form a square 20 cm on a side what is the potential of electric field at the center of the
a ball of mass 89 g with a speed of 224 ms strikes a wall at an angle 140o and then rebounds with the same speed and
two hanging masses are connected by ropes to a 20 kg mass which sits on a frictionless table find the following
a heater runs on an ac voltage of 120 v and draws a power of 44 w if this heater were run instead on a dc voltage of 90
a 21 kg block of wood rests on a long tabletop a 227 g bullet moving horizontally with a speed of 168 ms is shot into
block a with mass 4 kg travels with speed vi3 ms on a smooth horizontal surface and collides with a stationary block b
use the worked example above to help you solve this problem an ideal gas at 236degc and a pressure 180 105 pa is in a
a resistor with r 24 k is connected to an ac generator that operates at 60 hz with an amplitude of 41 va find the
a 259 g mass is moving in the x-direction at 566 cms while a 223 g mass is moving in the -x-direction at 416 cms they
a 64 kg freight car is coasting at a speed of 463 ms along a straight track when it strikes a 158 kg stationary freight