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a flat uniform circular disk has a massof 230 kg and a radius of580 cm it is suspended in ahorizontal plane by a
for the reaction pcl5 ltgt pcl3 cl2 kc 337 calculate the reaction quotient q to determine which direction the reaction
in a dramatic lecture demonstration a physics professor blows hardacross the top of a copper penny that is at rest on a
calculate the solubility of silver bromate agbro3 using activities in a saturated solution of silver bromate ksp for
a uniform solid sphere rolls down an incline a what must bethe incline angle if the linear acceleration of the center
if a molecule having an ionization energy of 1139 ev produces a photoelectron having a kinetic energy of 685656e-19 j
a string is stretched and fixed at both ends 426 cm apart if the density of the string is 0022 gcm and its tension is
calcium carbide is an intermediate in the manufacture of acetylene calcium carbide was also used for years in mining
a spacecraft power system generates electricity by absorbing heat from a nuclear reactor operating at 500 c and
a water tank springs a leak find the speed of water emerging from the hole if the leak is 30m below the surface of
an outside loudspeaker considered a small source emits soundwaves with a power output of 90 wa find the intensity 110 m
in a refrigerator heat is transferred from a colder area theinside of the refrigerator to a warmer area the air outside
a bicyclist of mass 81 kg puts all his mass on each downward-moving pedal as he pedals up a steep road take thediameter
the 1100-kg mass of a car includes four tires each of massincluding wheels 35kg and diameter 080m assume each tire
asteroid 433 eros is one of the largest near-earth asteroids forpurposes of this problem assume it is spherical the
a pendulum consists of a mass m suspended by a massless springwith unextended length b and spring constant kthe
a small light source at the bottom of a swimming pool that is30 m deep emits light uniformly in all directions
a stone is tied to a string length 0972 m and whirled in a circle at the same constant speed in two different ways
an astronaut is orbiting a black hole with a mass of20x1031 kg at a distance of 126km from its center the astronaut is
organic hydrogenation reactions in which h2 and an unsaturated organic compound combine are used in the food fuel and
the wheels of an automobile are locked as it slidees to a stop from an initial speed of 267 ms if the coefficient of
the burning of 2051g glucose c6h12o6 in a bomb calorimeter causes the temperature of the water to increase from 2492 to
a bullet mass 10 g is fired horiztally into a block of wood weighing 2000 kg and suspended like a ballistic pendulum
a metal sphere has an outer radius of r2 20 cm the inside is hollow up to a radius of r1 10 cm with the inside
a man goes for a walk starting from the origin of an xyzcoordinate system with the xy plane horizontal and thex axis