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an airplane is flying through a thundercloud at a height of 2 km there are charge concentrations of 30 c at height 3 km
you are spin coating a thin layer of polymer onto a reflective silicon wafer to create an organic solar cell device the
an infinite slab of conducting material with a thickness of 2d lies in the x-y plane between z -d and z d the charge
a golf club makes impact with a 0045 kg golf ball during a drive off the tee the loft angle of the club the angle
the bohr model of an atom assumes that electrons orbit the nucleus in a manner similar to how planets orbit a sun
a ball initially at rest rolls without slipping down an inclined plane while a block slides without friction down an
an electron is bound in an infinite well a box of width 01nm if the electron is initially in then n 8 state and falls
a horizontal steel bar 4m long and 2 cm diameter is imbedded in two concrete walls a 2000 kg mass is hung from its
two objects a and b start at the same place and move on a straight line in the same direction object a has an initial
due to its spin the electron possesses a magnetic moment b treating the conduction electrons in a metal as a free
a a mortar crew is positioned near the top of a steep hill enemy forces are charging up the hill and it is necessary
standing on the surface of planet zork which has mass mz and radius rz you throw a rockmass m straight up the maximum
a metal must absorb radiation with a minimum frequency of 194 e15 hz before it can emit an electron from its surface
two identical cars one stationary and the other driving toward the stationary one at 45 ms both have a horn that sounds
a spring with spring constant 36nm is attached to the ceiling and a 51-cm-diameter 13kg metal cylinder is attached to
1 driftsshow that 0 e v x b can be solved to givev e x b b2hint use vector identities for the triple cross product2
the length of a simple pendulum is 067m the pendulum bob has a mass of 295g and it is released at an angle of 12
a nucleus moving at 06c through the lab decys emitting a photon in the forward direction with what speed does the
suppose that a 100 cm3 box in the shape of a cube is perfectly evacuated except for a single particle of mass 115 10-3
a possible means of spaceflight is to place a perfectly reflecting aluminized sheet into earth orbit and use the light
a long solenoid that has 1050 turns uniformly distributed over a length of 0450 m produces a magnetic field of
a bicycle rides by in front of you moving right to lefta what is the direction of the angular velocity of the bicycle
a proton travels with a speed of 490 106 ms at an angle of 57deg with the direction of a magnetic field of magnitude
a large tub is filled to a depth of 500 cm with fresh water then oil of density 7500 kgm3 is poured onto the water the
a car with a total mass of 193 103 kg has wheels of radius 350 cm and moment of inertia 0715 kg middot m2a find the