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a particle with 7ev of kinetic energy moves from a region of zero potential into region of constant potential of u525
describe why conduction band electrons are typically found at the bottom of the conduction band whereas holes are found
the electron concentration in a doped silicon sample at t300k is n0 5x104 cm-3a decide the whole concentration p0 is
a pipe whose inside diameter is 20cm is connected to four smaller pipes whose inside diameters are 5cm eachnbsp if the
on the basis of the bohr model consider the doubly ionized li atomif an electron in this atom makes a transition from
a 35 t magnetic field runs directly into the paper a loop which is currently square having sides of 60 cm is inside the
a gas is compressed inside a cylinder an average force of 100n acts to move the piston 02m through the compression 5j
pendulum clocks will create a ticking sound every time the pendulum reaches maximum displacement on either side it is
a 0150-kg block of ice is placed against a horizontal compressed spring mounted on a horizontal tabletop that is 120 m
you need to decide the density of a ceramic statue if you suspend it from a spring scale the scale reads 284 n if you
a point particle travels in a straight line at constant speed and the closest distance it comes to the origin of
a small boat is headed for a harbor 30 km directly northwest of its current position when it is suddenly engulfed in
a meter stick is rotated about the end labeled 000 cm so that the other end of the stick moves through an arc length of
a semi-trailer is coasting downhill along a mountain highway when its brakes fail the driver pulls onto a runaway truck
you throw together 37 protons 48 neutrons and 37 electrons to make a hypothetical atom of mass 84960840 amu utilize my
a gaussian sphere of radius 630 cm is centered on a ball that has a radius of 130 cm and a uniform charge distribution
a star rotates with a period of 30 days about an axis during its center the period is the time it takes a point on the
an object is launched from the origin by a velocity of 10 msat an angle of 30 degrees above the horizontal what is the
the current in a circuit is tripled with connecting a 500-ohm resistor in parallel with the resistance of the circuit
a wire of resistance 8 ohms and length 22 m is bent into a circle and is concentric by a solenoid in which the magnetic
a long straight thin-walled cylindrical shell of radius r carries a current i parallel to the central axis of the shell
a mass of 200 grams stretches a spring 5 cm the mass is the set in motion from its equilibrium position with an initial
a beam of monochromatic light is diffracted with a slit of width 0630 mm the diffraction pattern forms on a wall 100 m
a 12kg block stays at rest on a horizontal surface without reasoning a ball of 400g travels with a velocity of 16ms
a basketball player does 243 x105 j of work through her time in the game and evaporates 0110 kg of water assuming a