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imagine holding an air-filled 2 l soda bottle v 2000 cm3 underwater you have used a scale to determine that the mass
a small rubber wheel is used to drive a large pottery wheel and they are mounted so that their circular edges touch the
an electric ceiling fan is rotating about a fixed axis with an initial angular velocity magnitude of 0230revs the
one string of a certain musical instrument is 720 cm long and has a mass of 876 g it is being played in a room where
a ball of mass 0196 kg with a velocity of 141 ms meets a ball of mass 0302 kg with a velocity of -0393 ms in a head-on
charged particles pass through a velocity selector with electric and magnetic fields at right angles to each other as
a 750-microc particle moves through a region of space where an electric field of magnitude 1250 nc points in the
a prism is made from a certain type of glass and has a cross section shaped like an equilateral triangle the indices of
the moons diameter is 348 x 106 m and its mean distance from the earth is 385 x 108 m the moon is being photographed by
a metal ball with a mass of 371middot10-6 kg and a charge of 577 mc has a kinetic energy of 499middot108 j it is
a 20 g bullet moving at 1000 ms is fired through a one-kg block of wood emerging at a speed of 200 ms what is the
the figure below shows a hollow cylinder that has a length equal to 180 m a mass m equal to 088 kg and radius equal to
a neutron in a nuclear reactor makes an elastic head-on collision with a carbon atom initially at rest the mass of the
an i beam is at 25 c and clamped rigidly between two fixed points 2 meters apart so that it can neither expand nor
a billiard ball is moving in the x direction at 300 cms and strikes another billiard ball moving in the y direction at
the supersonic aircraft concorde has a length of 630 m when sitting on the ground on a typical day when the temperature
a diverging lens has a focal length of 407 cm if an object is 31 cm from the lens what is the image distance answer in
a certain lcd projector contains a single thin lens an object 317 mm high is to be projected so that its upright image
a 350kg piano slides 37m down a 33circ incline and is kept from accelerating by a man who is pushing back on it
a rod 20 cm long moves in a plane perpendicular to a magnetic field of 0065 t the velocity of the rod is perpendicular
in everyday life we know that something described as white hot is hotter than something described as red hot what is
at a county fair a boy takes his teddy bear on the giant ferris wheel unfortunately at the top of the ride he
according to safety standard for air bags the maximum acceleration during a car crash should not exceed 60 g and should
a block of weight w 200n sits on a frictionless inclined plane which makes an angle theta 300circ with respect to the
which of the following are types of electromagnetic radiation check all that apply sound radio waves gamma rays