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a bob of mass 0300 is suspended from a fixed point with a massless string of length 250 you will investigate the
a gas in a cylinder with a piston that slides freely within is adiabatically expanded from 15 to 17 m3 if the pressure
multiple-concept example 11 reviews the concepts that are important in this problem what is the radius of a
in the figure a laser beam of power 510 w and diameter 220 mm is directed upward at one circular face of diameter less
a rope is with each end is attached to a ceiling that is 8ft long the ends are positioned 6ft apart a second rope 3ft
a satellite is in a circular orbit around an unknown planet the satellite has a speed of 193 x 104 ms and the radius of
a swing ride at a carnival consists of chairs that are swung in a circle by 120 m cables attached to a vertical
a 670 kg diver is 490 m above the water falling at speed of 640 ms calculate her kinetic energy as she hits the water
a weight of 450 n is suspended from a spring that has a force constant of 220 nm the system is undamped and is
a 280-g object moving to the right at 200 cms overtakes and collides elastically with a 70-g object moving in the same
a 0285-kg volleyball approaches a player horizontally with a speed of 140 ms the player strikes the ball with her fist
a large fraction of the ultraviolet uv radiation coming from the sun is absorbed by the atmosphere the main uv
as part of a carnival game a 0503-kg ball is thrown at a stack of 193-cm tall 0423-kg objects and hits with a perfectly
a block of weight w 350n sits on a frictionless inclined plane which makes an angle theta 290 with respect to the
a uniform disk of radius 0469 m and unknown mass is constrained to rotate about a perpendicular axis through its center
a ball of mass 1kg is dropped from a height 11m above the surface of a triangular block of massm1kg the triangular
a day on a distant planet observed orbiting a nearby star is 521 hours also a year on the planet lasts 387 earth
the density of ice is 917 kgm3 and the density of sea water is 1025 kgm3 a swimming polar bear climbs onto a piece of
the speed of an arrow fired from a compound bow is about 29 ms an archer sits astride his horse and launches an arrow
a person leaning over a 126 m deep well accidentally drops a siren emitting sound of frequency 2450 hz just before this
a boy standing on top of a building throws a small ball from a height of h1 242 m the ball leaves with a speed of 286
astronomers believe that there is a massive black hole at the center of the milky way galaxy what evidence is there for
the perihelion distance from the sun for the planet uranus is 2750e9 km the aphelion distance is 3000e9 kma calculate
a planet with a mass of 447e21 kg is in a circular orbit around a star with a mass of 483middot1030 kg the planet has
an asteroid is discovered to have a tiny moon that orbits it in a circular path at a distance of 117 km and with a