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a grandfather clock is controlled by a swinging brass pendulum that is12m long at a temperature of28degca what is the
1 does a 10kg solid iron brick have twice as much mass as a 5 kg solid bricktwice as much weighttwice as much volume2
a 10 turn square coil of area 0036m squared and a 20-turn circular coil are both placed perpendicular to the same
a potters wheel with rotational inertia 650 is spinning freely at 160 the potter drops a 290 lump of clay onto the
a 400-m length of light nylon cord is wound around a uniform cylindrical spool of radius 0500 m and mass 100 kg the
a juvenile elephant has a mass of 300kg he wishes to fly using his very large ears if the air speed on top of his ears
a disk797cm in radius rotates at a constant rate of1160revmin about its central axisa determine its angular speedradsb
a rotating wheel requires290s to rotate through 370 revolutions its angular speed at the end of the290s interval
a dentists drill starts from rest after280s of constant angular acceleration it turns at a rate of246104revmina find
an unmanned spacecraft of mass 459 kg is in a circular orbit around the earth observing the earths surface from an
a solid uniform ball of mass 143 kg and radius 021m rolls without slipping up a hill of height 294m as shown in the
treatment of 1385 g of an unknown metal m with an excess of aqueous hcl evolved a gas that was found to have a volume
a solenoid that has a length equal to 246 cm a radius equal to 0842 cm and 374 turns is in a region where a magnetic
a luggage handler pulls a suitcase of mass 308 kg up a ramp inclined at an angle 183 degrees above the horizontal by a
a solution is composed of 160 mol cyclohexane p976 torr and 210 mol acetone p2295 torr what is the total vapor pressure
if 0420 mol of a nonvolatile nonelectrolyte are dissolved in 390 mol of water what is the vapor pressure ph2o of the
what mass of sucrose in grams should be combined with 531g of water to make a solution with an osmotic pressure of
the solvent for an organic reaction is prepared by mixing 700 ml of acetone c3h6o with 730 ml of ethyl acetate c4h8o2
an excess of o2 reacted with 368 g of fe what is the percent yield if 486 g of fe2o3 are
what is the percent yield in a reaction between 536 g o2 and 516 g al if 873 g of al2o3 is
you throw a 216 n rock vertically into the air from ground level you observe that when it is a height 144m above the
why does the acid-catalyzed dehydration of 2-butanol an e1 reaction favor the formation of cis-2-butene over
a calorimeter with a heat capacity of 461 kjk contains 18050 g of freon-12 benzoic acid is combusted in the calorimeter
bill and julie are both now on identical trains bills train is moving to the right with velocity 2c with respect to
at 550 degrees c what is the vapor pressure of a solution prepared by dissolving 758 g of lif in 259 g of water the