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a small postage stamp is placed in front of a concave mirror radius 13 m such that the image distance equals the
a square ammeter has sides of length l 201 cm the sides of the ammeter are capable of measuring the magnetic field
a hairpin configuration is formed of two semiinfinite straight wires that are 342 cm apart and joined by a semicircular
suppose one gallon of gasoline produces 11 x 108 j of energy and this energy is sufficient to operate a car for twenty
suppose that the dipole moment associated with an iron atom of an iron bar is 24 x 10-23 jt assume that all the atoms
calculate the magnitude of the maximum orbital angular momentum lmax for an electron in a hydrogen atom for states with
the conducting rod shown in fig 30-50 has length l and is being pulled along horizontal frictionless conducting rails
an unpolarized laser has an average power of 6 mw at a distance of 10 m it forms a circle with a diameter of 2 mm
as a new electrical engineer for the local power company you are assigned the project of designing a generator of
a convex mirror has a radius of curvature of 440 cm when a 560 cm tall object is placed in front of the mirror the
an object is placed farther from a converging lens than twice the lens focal length draw a ray diagram to determine the
people who suffer from cataracts may have the lenses in their eyes replaced by artificial lensesa if a given person has
elizabeth is nearsighted without glasses she can see objects clearly when they are between 150 cm and 900 cm away from
he-ne lasers are often used in physics demonstrations they produce light of wavelength 633 nm and a power of 0500 mw
there are two categories of ultraviolet light ultraviolet a uva has a wavelength ranging from 320 nm to 400nm it is
a concave mirror has a radius of curvature of 340cm a a ladybug 750mm tall is located 220cm from this mirror along the
two slits spaced 0450 mm apart are placed 760 cm from a screenwhat is the distance between the second and third dark
monochromatic light from a distant source is incident on a slit 0750 mm wide on a screen 200m away the distance from
an electron is trapped in a one-dimensional infinite well and is in its first excited state the figure below indicates
a monochromatic source light source having a wavelength of 547 nm is used to check the calibration of a michelson
a positron emission tomography scanner examines the gamma rays emitted when positrons and electrons annihilate each
a basketball m 060 kg is dropped from rest just before striking the floor the ball has a momentum whose magnitude is 31
a person running a fever has a body temperature of 394 degrees c what is the persons temperature on the fahrenheit
a proton is moving in a circular orbit in a uniform magnetic field perpendicular to the orbit plane the speed of the
a long solenoid of length 40 cm cross section area 24 cm2 and 20 turns per centimeter carries a current of 80 a finda