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a certain kind of film requires an exposure time of 0010 s with anf 12 lens setting another type of film requires
a particle of mass m moving by a speed vi has a collision with a particle of mass 2m that is at rest before the
a light bulb has a resistance of 270 it is linked to a standard wall socket 120 v rms 600 hza decide the rms current in
a current of 100 ma is maintained in a single circular loop with a circumference of 120 m a magnetic field of 0880 t is
which of the scenarios if more difficult for light to leave a diamond when it is place underwater or when it is in air
if some water splashed out of the calorimeter cup when adding the hot metal would this decrease increase not affect the
given a water tank that is sitting on a black granite tabletop the bottom of the tank is made of glass 3 cm thick from
a movie stuntman mass 914 kg stands on a window ledge 688 m above the floor grabbing a rope attached to a chandelier he
a person who is properly constrained by an over-the-shoulder seat belt has a good chance of surviving a car collision
which of the following statements are impossible choose all that apply1 the rockets speed was measured to be107c2 the
a 30-cm bar is made from putting together three 10-cm bars of steel copper and aluminium each having cross-sectional
a woman on a rocket traveling at 085c by respect to earth observes a meteor come towards her and pass her at 079c how
sunlight strikes the surface of a lake at an angle of incidence of 600deg at what angle by respect to the normal would
a stamp collector is viewing a stamp with a magnifying glass held next to her eye her near point is 25 cm from her eye
a radio station broadcasting on a frequency of 106 mhz is received with an astronaut headed toward the station at a
a beam of electrons is incident on two slits separated with a distance of20times10-6 m the first-order bright fringes
in a colliding-beam experiment particles traveling at 085crelative to the laboratory met in a head-on collision by
two plane mirrors are facing each other they are parallel 300 cm apart and 170 cm in length a laser beam is directed at
the figure below shows five long parallel wires in the xy plane all wire carries a current i 600 a in the positive x
a harmonic oscillator potential of natural frequency omega contains a number of electrons and is in the state of lowest
if 520 cm of copper wire diameter 100mm is formed into a circular loop and placed perpendicular to a uniform magnetic
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a point source of light is 2350 cm below the surface of a body of water discover the diameter of the circle at the
if 600 of the kinetic energy delivered with a 907g hammer with a speed of 780 ms is transformed into heat that flows
light with a frequency of 299 x 1015 hz ejects electrons from the surface of zinc which has a work function of433 ev