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a spherical mirror forms an image that is virtual one-quarter of the size of the object and 3cm from the mirror find
a capacitor is charged with a 120v battery and is then connected to a 265 h inductor at t0sec to form an oscillator
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a ray of light enters a glass cube point a at an incident angle of 45 degrees and undergoes total internal reflection
a series rlc circuit is driven by a voltage of amplitude 5v if womega 1000s-1 l 5h c3muf and r 2komegafind the
in an lc circuit the amplitude of current oscillations is 2a and the amplitude of the voltage oscillation across the
an inductor is connected in series to a 55 omega resistor and a 90 v bsttery as soon as the circuit is closed the
soles of boots that are designed to protect workers from electric shock are rated to pass a maximum rms current of 13
an elevator 700000 n is accelerating downward at the rate 455 fts2 the maximum tension that the cable can handle is
two metal spheres of radii r1 139 cm and r2417 cm respectively have been positively charged so that both have a total
a 850cm diameter wire coil is initially oriented so that its plane is perpendicular to a magnetic field of 0690t
the figure below shows a thin-lens representation of a compound microscope not to scale the objective produces a real
three concentric uniformly charged isolating shells hollow spheres of radii 6cm 10cm and 20cm each carry a charge the
a uniform magnetic field of 25 mt magnitude points into the page the wire is 14m long and straight but has a loop smack
a focused magnetic field of variable strength is used to steer electrons in a television tube crt the electrons emerge
a 4m long wire with thickness 5mm carries a current 04 a a second identical wire of equal length and thickness is
1 a step-up transformer increases 157v to 110v what is the current in the secondary as compared to the primary assume
a uniform beam of negligible weight is supported by a cable the beam is pivoted at the bottom and a 2000-n object hangs
if i have light of three different frequencies 92x1014 hz 67x1014 hz 47x1014 hz that is shined on a metal surface with
in special conditions it is possible to measure the energy of a gamma-ray photon to 1 part in 1015 for a photon energy
an electron is confined to a region of space of the size of an atom 01 nma what is the uncertainty in the momentum of
select true or false for the following statements about electromagnetic wavesa gamma rays can be produced through
an astronaut is being tested in a centrifuge the centrifuge has a radius of 7 m and in starting rotates according to
the index of refraction for red light in water is 1331 and that for blue light is 1340 a ray of white light enters the
a baseball mass 140 g is pitched so that it crosses home plate with a speed of 920 mph at an angle of 184degree below