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an ac generator has a frequency of 480 khz and produces a currentof 00400 a in a series circuit that contains only a
when a 60 microf capacitor is connected to a generator whose rms output is 26 vthe current in the circuit is observed
the drawing shows two situations in which charges are placed on the x and y axes they are all located at the same
a 1420-kg car is being driven up a 752 deg hill the frictional force is directed opposite to the motion of the car and
consider the record throws for the javelin men 9848 m zelezny 1996 0800 kg and women 7228 m spotakova 2008 0600 kg
a barbers chair with a person in it weighs 2100n the output plunger of a hydraulic system begins to lift the chair when
a 123 kg mass stretches a vertical spring 215m if the springis stretched an additional 130m and released how long does
the density of ice is 917 kgm3 and the density of sea water is 1025 kgm3 a swimming polar bear climbs onto a piece of
the drawing shows a rectangular piece of wood the forcesapplied to corners b and d have the same magnitude of 12 n and
a moving particle encounters an external electric field that decreases its kinetic energy from 9520ev to 7060ev as the
two 6 m long mirrors stand vertically and are parallel to each other 06 m apartnbsp a ray of light reflects off the
water is circulating through a closed system of pipes in atwo-floor apartment on the first floor the water has a
an outside loudspeaker considered a small source emits soundwaves with a power output of 75 wa find the intensity 75 m
write an equation for the magnetic flux through a coil as a function of the strength of the magnetic field and the
a pulse of light in air is incident on a medium with an indcident angle of 34 degreesnbsp the velocity of light in the
when a resistor is connected across the terminals of an acgenerator 111 v that has a fixed frequency there is a current
a simple pendulum is made from a 063 mlong string and a small ball attached to its free end the ball is pulled to one
a 020-kg metal sphere oscillates at the end of a vertical spring as the spring stretches from 013 to 021 m relative
a car is traveling down around a banked curve in the road thecurve has a radius of 300 m and is banked at an angle
review conceptual example 2 as an aid in solving this problem an object is attached to the lower end of a 100-coil
a horizontal wire of length 013 m carrying a current of 28 a isplaced in a uniform external magnetic field when the
point a is at a potential of 250 v and pointb is at a potential of -140v an alpha-particle is a helium nucleus that
two circular coils of current-carrying wire have the same magnetic moment the first coil has a radius of 0091 m 120
in a performance test each of two cars takes 80 s to acceleratefrom rest to 28 ms car a has a mass of 1429 kg and car b