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part itwo tuning forks are played at the similar time in a room where the velocity of sound is 340 ms one of them has a
you have designed a cat door that consists of a square piece of plywood that is 10 in thick and 60 on a side and is
a small current element located at the origin has a length of 200 mm and carries a current of 20 a in the z direction
when a resistor is connected with itself to an ac generator the average power delivered to the resistor is 5000 w when
a circular coil has 30 turns and a radius of 4 cm the coil is placed in a magnetic field directed along the axis of the
a truck is traveling around a level curve of radius 1042 m at an instantaneous speed of 204 ms the trucks speed is
radio waves are electromagnetic waves that travel at a speed of 30010nbspnbspnbspnbsp 8 ms the speed of light an am
a cork floating on a lake bobs up and down as a small wave passes the cork completes 400 cycles in 400 s the wave peaks
1 decide the electric field strength at a point 100 cm to the left of the middle charge shown in figure p1510nbsp2 if a
a sodium surface is illuminated by a light of wavelength 300nm the work function for sodium metal is 246 ev discover a
a transparent rod 500cm long and by a refractive index of 160 is cut flat at the right end and rounded to hemispherical
an object is placed 10 cm in front of a concave mirror whose focal length is 21 cm the object is 39 cm tall decide a
an object is placed 6 cm from a convex spherical mirror by a focal length of 3 cm estimate where the image is located
a wire 259 m long carries a current of 138 a and makes an angle of 429deg with a uniform magnetic field of magnitude b
if there are three materials a b and c a ray of light strikes the andashb interface at an angle that now barely exceeds
old tv sets utilized 10 watts of power to provide instant onif the set was idle 16 hrsday compute the ecological cost
the us food and drug administration limits the radiation leakage of microwave ovens to no more than 50 m wcm2 at a
a 270-mh inductor has a reactance of 220 komega1 what is the new reactance of the capacitor2 what is the frequency of
a circuit board inside of a gps receiver is being designed to operate at 16 ghz the circuit layout calls for a 8 pf
as a way of determining the inductance of a coil utilized in a research project a student first connects the coil to a
in an rlc series circuit that includes a source of alternating current operating at fixed voltage and frequency the
an electron that has a horizontal initial speed of 450 x 106 ms enters a region that has an electric field of 120vm
a charge q 40 microc is moved 025 meter horizontally from the origin to point q in a region where an electric field is
car c of mass 0300 plusmn 0001 kilogram has a speed of 212plusmn 003 ms and moves in the positive x direction car d of
the voltage in typical household wiring is 120 volt a 100 watt light bulb therefore draws a current of 083 amp when