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a 50 gram piece of styrofoam carries a net charge of - 50 x 10-6 c and floats above the center of a large horizontal
consider a system with a damping force undergoing forced oscillations at an angular frequency w omegaa what is the
a five-sided object whose dimensions are shown in the drawing is placed in a uniform magnetic field the magnetic field
two charged objects experience a mutual repulsive force of 086n if the charge of one of the objects is reduced by half
in a fast-pitch softball game the pitcher is impressive to watch as she delivers a pitch by rapidly whirling her arm
a proton with the mass m is projected into a uniform electric field that points vertically upward and has magnitude e
calculate the net torque about the asle of the wheel assuming that a friction torque of 40mn opposes the motion
a cooling fan is turned off when it is running at 175rpma what was the fans angular acceleration assumed constantb how
a simple harmonic oscillator has an amplitude of 35cm and a max speed of 28cms what is its speed when the displacement
if a 200 kg 3 m radius merry-go-round was spinning at 1 revs and you dropped a 25 kg bag of sand vertically onto the
the ground-state wavefuntion of a hydrogen atom is y1pia312e-ra where abohr radius a calculate probability that the
under the standard conditions of 1 bar pressure and 29815 k the equilibrium constant kp for a gas phase reaction is
the amplitude of a 300-kg object in simple harmonic motion is 100 m the maximum speed of the object is 500 ms what is
a stoichiometric mixture of fluorine and nitrogen containing a small amount of argon is fed to process producing
a segment of wire carries a current of 25 a along the x axis from x -20 m to x 0 and then along the z axis from z 0
consider the circuit made of a r 100 resistor voltage source v and fuse f the fuse breaks if the instantaneous
a 30m long rigid beam with a mass of 130kg is supported at each end an 85kg student stands 13m from support 1 how much
which will experience the greater effective nuclear charge the electrons in the n3 shell in ar or the n3 shell in kr
use the natural and dual basis vectors to determine the metric tensors g i j and gi j and the line element for the
write the electron configuration for zirconium how many electrons are in each energy
a square loop 10cm on a side carries a current i 1a and is placed 10cm away from a longstraight wire of current i 10a
the gravitational slingshot effect the planet jupiter moving in the negative x direction at its orbital speed with
what wavelength corresponds to the transition n5 to n3 in the hydrogen atom what type of radiation is
a 94-v battery a 508- resistor and a 99-h inductor are connected in series after the current in the circuit has reached
the first ionization energies for ge as and se are 762 944 and 941kjmol respectively explain these values in terms of