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a uniform electric field with a magnitude of 490 nc is directed parallel to the positive x-axis if the electric
differential equationsa 1-kg mass is hung vertically on a spring in a medium with a damping constant of 4 n-secm the
a voltmeter indicates that the dissimilarity in potential among two plates is 56 v the plates are 077 m apart what
a charge 502nc is placed at the origin of an x y-coordinate system and a charge -200nc is placed on the positive x-axis
blood contains both negative and positive ions in a certain patient being tested the speed of these ions in a large
in a particular location the horizontal component of the earths magnetic field has a magnitude of 200 10-5 t an
what diameter should a copper wire have if its resistance is to be the same as that of an equal length of aluminium
two long straight wires one above the other are separated by a distance 2a and are parallel to the x axis let the y
a capacitor is charged to a potential of 120 v and is then connected to a voltmeter having an internal resistance of
a crate of mass 140 kg is being pushed by a person across a horizontal floor the coefficient of static friction among
a way to produce a fairly uniform magnetic field over a large accessible region is with a pair of identical circular
1 consider a series rlc circuit where r 549 ohms c 525 uf and l 350 mh decide the resonance frequency so of the
an ideal gas which is initially at a pressure of 350atm and a temperature of 375 k is permitted to expand adiabatically
a series rl circuit includes a 655-v battery a resistance of r 0455 ohms and an inductance of l 225 h what is the
a parallel-plate capacitor is formed from two 27cm-diameter electrodes spaced 22mm apart the electric field strength
two ice skaters daniel mass 700 kg and rebecca mass 450kg are practicing daniel stops to tie his shoelace and while at
the surface area of an airplane wing is 35m2 the average velocity of the air flow above the wing is 230mph and that of
an 18-year old high school teenager who did not know she was pregnant gave birth to an approximately 30-week old fetus
a 85cm3 block of iron is removed from an 800c furnace and immediately dropped into 200 ml of 20c water what percentage
a proton moves in a circular orbit 250mm in radius that is perpendicular to a uniform 037-t magnetic field1 decide the
a proton has been accelerated from rest through a potential dissimilarity of -1300v1 what is the protons speed2 what is
a bird watcher meanders during the woods walking 0501 km due east 0775 km due south and 202 km in a direction 376deg
a 250 kg block is initially at rest on a horizontal surface a horizontal force f of magnitude 690 n and a vertical
three charges q 0160 c form an equilateral triangle 150 m on a side using energy that is supplied at the rate of 063
at time t0 s we throw a stone from the ground level straight up with a speed of 20ms at what time will the stone reach