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in a physics laboratory experiment a coil with 210 turns enclosing an area of 13cm2 is rotated from a position where
a 220 microf capacitor and a 530 mh inductor are connected in series with an open switch the capacitor is initially
you need to make a series ac circuit having a resonance angular frequency of 1550rads using a 142 ohm resistor a 10
there are two objects for object 1 the net force is 2 n pointing left on x axis for object 2 the total force on the
the earth moves around the sun in a nearly circular orbit of radius 150 x 1011 m during the three summer months an
1 determine which of the following is not a real number a nbspndash712 nbsp nbspb nbspndash712 nbsp nbspc nbspndash712
a battery has an internal resistance of 074 a number of identical light bulbs each with a resistance of 27380 are
the average power used by a stereo speaker is 56 w assuming that the speaker can be treated as a 77- resistance find
the heating element of a clothes dryer has a resistance of 162 a voltage of 240 v is connected across the heating
an electric vehicle starts from rest and accelerates at a rate of 18 ms2 in a straight line until it reaches a speed of
a uniform electric field of magnitude 430 nc pointing in the positive x-direction acts on an electron which is
kenny throws a basketball which has an initial speed v0 when the ball gets to its minimum speed sometime before
a girl kicks a ball from ground level the initial velocity of the ball has an x-component of 17 ms and a y-component of
if 7 v is applied to the above circuit and the voltage across the first lamp is 1 v what is the voltage across the
in a circuit of two lamps in series if the current through one lamp is 2 a what is the current through the other
a fan at a rock concert is 500rm m from the stage and at this point the sound intensity level is 109rm db sound is
a fireman d 600 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of
a playground is on the flat roof of a city school 61 m above the street below see figure the vertical wall of the
a car is parked on a cliff overlooking the ocean on an incline that makes an angle of 170deg below the horizontal the
a model rocket is fired vertically from rest it has a net acceleration of 175 ms2 after 15 s its fuel is exhausted and
in getting ready to slam-dunk the ball a basketball player starts from rest and sprints to a speed of 66 ms in 291 s
1 express 775 as a decimal a nbsp775 nbsp nbspb nbsp77500 nbsp nbspc nbsp775 nbsp nbspd nbsp7752 evaluate nbsp nbsp
a tiny ball of mass 0425 g is suspended by a thread of negligible mass in a horizontal electric field of 400 nc if the
a hot-air balloon is ascending at the rate of 10 ms and is 97 m above the ground when a package is dropped over the
a particle moves horizontally in uniform circular motion over a horizontal xy plane at one instant it moves through the