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two identical charges of 60uc are located along the y-axis at 64 cm and -64 cm respectively calculate the net electric
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an astronaunt has landed on a strange new planet and conducts an experiment to determine the acceleration of gravity
a physical pendulum is constructed using a 2 kg object having a moment of inertia of 259 kg-m2 about its center of mass
73-kg box is being lifted by means of a light rope that is threaded through a single light frictionless pulley that is
a basic telephoto lens also uses a combination of a converging lens and a diverging lens consider a particular
a simple pendulum oscillates with a period of 13 seconds the maximum velocity of the bob is 38 cmdetermine the
a 34-cm-diametere potters wheel with a mass of 20 kg is spinning at 180rpm using her hands a potter forms a pot centred
as a parallel-plate capacitor with circular plates 21 cm in diameter is being charged the current density of the
the energy difference between parallel and antiparallel alignments of the z component of an electrons spin magnetic
in a cyclotrona why do particles having different speeds take the same amount of time to complete a one-half circle
how fast can you set the earth moving in particular when you jump straight up as high as you can what is the maximum
a 50 kg pole vaulter running at 10 ms vaults over the bar her speed when she is above the bar 10 ms neglect air
a ball of circumference 727 cm and mass 605 g is forced to the bottom of a swimming pool and then released after
when beryllium-7 ions m 1165 x 10-27 kg pass through a mass spectrometer a uniform magnetic field of 0327 t curves
a series rlc circuit is driven by an alternating source at a frequency of 410 hz and an emf amplitude of 900 v the
an airplane with a speed of 891 ms is climbing upward at an angle of 484 deg with respect to the horizontal when the
when a 250 kg object is hung vertically on a certain light spring described by hookes law the spring stretches 276 cm
neutron stars are extremely dense objects that are formed from the remnants of supernova explosions many rotate very
a 200g 40cm diameter solid cylindrical turntable rotates on frictionless bearings at 60rpm a 20g block sits at the
a particle has a charge of q 52 microc and is located at the origin as the drawing shows an electric field of ex 229
an elastic ball a with mass m is released from a horizontal position connected via a massless string to a rod when the
a fire hose ejects a stream of water at an angle of 365 degrees above the horizontal the water leaves the nozzle with a