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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
nbspa laser emits 1421018 photons per second in a beam of light that has a diameter of 188 mm and a wavelength of 5190
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
through the compression stroke of a diesel engine air is compressed from 1 atm and 27 degrees c to 125 of its initial
two boxes of massm1 15 kg and mass m2 22 kg are linked by a spring with spring constant k 62 nm the mass of the
a 560kg mass is pushed against a spring k2000nm such that the spring is compressed 12 cmnbsp the mass is released
to vaporize 1 g of water requires about 538 cal of heat interaction at 100 degrees c the resulting vapor at 1 atm
a point source of light is 1450 cm below the surface of a body of water discover the diameter of the circle at the
a thin converging lens of focal length 123 cm forms an image of an object placed 259 cm from the lensa discover the