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the drawing shows three materials a b and c a ray of light strikes the andashb interface at an angle that now hardly
the owner of a van installs a rear-window lens that has a focal length of -0340 m when the owner looks out during the
a paddle wheel frictionally adds thermal energy to an ideal monatomic gas in a sealed insulated container the paddle
a dentist utilizes a mirror to examine a tooth that is 075 cm in front of the mirror the image of the tooth is formed
a pitched ball is hit by a batter at a 45 degree angle and now clears the outfield fence 98 meters away suppose that
a particle of mass 981 g and charge 651 muc moves during a uniform magnetic field in a region where the free-fall
how would i set up the equations to derive the equations of motion for a projectile that experiences a resistive force
a pen contains a spring by a spring constant of 200 nm when the tip of the pen is in its retracted position the spring
a car initially traveling at 247 msunder goes a constant negative acceleration of magnitude150 msnbspnbspnbsp 2 after
an electric motor rotating a workshop grinding wheel at a rate of114 revmin is switched off suppose the wheel has a
what uniform magnetic field applied perpendicular to a beam of electrons moving at 730 x 106 ms is required to make the
concave shaving mirror a concave shaving mirror has a radius of curvature of 350 cm it is positioned so that the
a space vehicle is traveling at 5900 kmh relative to the earth when the exhausted rocket motor is disengaged and sent
a body of mass 21 kg makes an elastic collision with another body at rest and continues to move in the original
a 2500 kg truck travelling north at43 kmh turns east and accelerates to 56 kmh1 what is the change in the trucks
a 1700 kg automobile is at rest at a traffic signal at the instant the light turns green the automobile starts to move
a 6080 kg space probe moving nose-first toward jupiter at 105 ms relative to the sun fires its rocket engine ejecting
a pendulum 2 meters long is positioned so that the pendulum bob is at the focus of a concave mirror when the bob is at
a 130 kg block rests on the icy surface of a frozen pond which you can suppose to be frictionless if the location of
you want to project an image onto a walla typical slide for a projector is 24mm x 36 mm and the screen at the front of
a pot containing 102 liter of water initially at 18degc is placed on a1030 w electric heating elementa how much heat
compute the root-mean-square speed of ammonia nh3 molecules at 560deg c an atom of nitrogen has a mass of
a metal strip 899 cm long 0779 cm wide and 0714 mm thick moves by constant velocity through a uniform magnetic field b
a steel rod is 3000 cm in diameter at 25deg c a brass ring has an interior diameter of 2992 cm at 25deg c at what
a person slides across the frictionless ice arena where they were playing a hockey game and smashes into another