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radio stations are usually identified by their frequency one radio station in the middle of the fm band has a frequency
a force of -44 x 103 n exists between a positive charge of 8 x 10-4 c and a negative charge of -3 x 10-4 c what
consider an isotropic light source which emits em radiation with wavelength lambda with power p0 isotropic uniformly
in frame s event b occurs at 2 mus after event a and at deltax 15km from event aa how fast must an observer be moving
given the circuit below r1 is 90omega r2 is 112omega r3 is 237omega and r4 is 129omega the potential difference between
given the circuit below r1 is 75omega r2 is 123omega r3 is 195omega and r4 is 147omega the potential difference of the
given the circuit below r1 is 69 omega r2 is 123 omega r3 is 248 omega r4 is 138 omega r5 is 250omega the potential
given the circuit below r is 1550 omega c1 is 74 muf c2 is 176 muf c3 is 111 muf c4 is 102 muf and e is 305v part a
the air inside a hot air balloon has an average temperature of 927 degree c the outside air has a temperature of 237
consider a capacitor with circular parallel plates that have radius r and are separated by a distance d the capacitor
a girl forgets to put on her glasses and finds that she needs to hold a book 12 cm from her eyes in order to clearly
as a gift for your birthday you receive a new lens for your 35 mm camera we are presuming that you previously were
get 100 pennies think of them as a new radioactive isotope we will call it coinium isotope one coin decays when it
a geothermal power souce is used to operate a plant to produce oxygen a deep well of water with volume 1000 m3 at
consider an electromagnetic wave traveling in vacuum recall that the speed of light in vacuum is c 3 x 108 ms the
general relativity was summarised by wheeler as spacetime tells matter how to move matter tells spacetime how to curve
show your work clearly for credit be and box your answers to the problems1 at 600 degree c a certain material has a
a geiger counter initially records 7120 countssec from a sample radioactive material after 45 min it records 4585
look at figure 279 of your text replace the resistor on the left with a perfectly conducting wire and suppose the
gausss law for electromagnetism says surfaceinte x da qenclosedisin0 if the electric field is given to be e ar where
a draw a square circuit with a battery a source of emf eo and note e0 is not the constant eo on the left a resistor of
a long upright solenoid of radius 30 mm and 5000 turns per meter is placed inside another long upright solenoid this
a what is the electric field strength a radial distance of 45m from a point charge of q15 x 10-8 cb what is the
an electrically neutral hollow metal shell is shown below a point charge of 5 muc is then placed at its centre draw on
during a game of catch you tell your friend---who is standing about 15 feet away from you---to go long after waiting 3