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a capacitor of capacitance c 4 mc is discharged through a resistor of resistance r 4 k how long will it take for the
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suppose in a situation like m1 200g were at the 20-cm position and m2 100g at the 65-cm position would there be a
assume you are a fish you get up every morning and weigh yourself on your scales and find you weight 042n you being a
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in fig 29-56 four long straight wires are perpendicular to the page and their cross sections form a square of edge
an electron decays from the n 4 orbit to the n 1 orbit in the hydrogen atom if the work function of aluminum is 43 ev
a block is placed against the vertical front of a cart what acceleration must the cart have so that ablock a does not
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a charged particle moves through space with constant velocity magnitude and direction if the external magentic field is
you have two 120v light bulbs one 25w and one 100w that are normally connected in parallel with 120v across each your
at a certain location earths magnetic field of 53 microt is horizontal and directed due north suppose the net field is
a boy and a girl are balanced on a massless seesaw the boy has a mass of 75 kg and the girls mass is 50 kg if the boy
the 5106 solar mass black hole at the center of the galaxy may have gained its first million solar masses in the first
a transparent oil with index of refraction 129 spills on the surface of water index of refraction 133 producing a
neurons in our bodies carry weak currents that produce detectable magnetic fields a technique called
a double slit separated by 00572 mm is placed 130 m from a screena if yellow light of wavelength 587 nm strikes the
global warming is a cause for concern because even small changes in the earths temperature can have significant
a solenoid of radius 16 cm has 351 turns and a length of 10 cmthe permeability of a free space is 125664 times 106 v
a metal strip 626 cm long 0830 cm wide and 0712 mm thick moves with constant velocity through a uniform magnetic field
an electron of mass 911x10-31 kg has an initial speed of 300x105 ms it travels in a straight line and its speed
the secondary voltage of an ignition transformer in a furnace is 145 kv when the primary operates at an rms voltage of
an alternating source drives a series rlc circuit with an emf amplitude of 607 v at a phase angle of 333deg when the
a man holds a double-sided spherical mirror so that he is looking directly into its convex surface 35 cm from his face
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