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a water heater consisting of a metal coil that is connected across the terminals of a 12-v power supply is able to heat
what is the order of magnitude of the maximum displacement of a cu atom at the debye temperature campare this
water flows over victoria falls which is 128 m high at an average rate of 110 106 kgs if all the potential energy of
calculate the solubility in grams per 100x102 ml of solution of magnesium hydroxide in a solution buffered at ph12 and
a 80-kg snow skier is being pulled up a 16 deg slope by a steel youngs modulus 20 x 1011 nm2 cable the cable has a
calculate the solubility of cux ksp cu2x2-127x10-36 in a solution that is 200m in
an object is thrown upwards with a speed of 13 ms how long does it take to reach a height of 40 m above the projection
rank the following in order of increasing change in the boiling point of water when a solution is made nacl cacl2 naoh
a piston with a volume of 24 liters contains 30 moles of argon it is heated from 20 degrees celsius to 178 degrees
a copper youngs mudulus 11 x 1011 nm2 cylinder and a brass youngs mudulus 90 x 1010 nm2 cylinder are stacked end to end
do colligative properties depend on the number of particles dissolved the identity of the particles dissolved or both
two stretched cables both experience the same stress the first cable has a radius of 31x10-3 m and is subject to a
a 15 kg mass is moving in a circle of radius 2 m on a flat frictionless table at the end of a string the speed of the
as a technician in a large pharmaceutical research firm you need to produce 100 ml of 100 m potassium phosphate
a 570-m length of coaxial cable has an inner conductor that has a diameter of 258 mm and carries a charge of 810 microc
dental amalgam a solid solution of silver and tin in mercury is used for filling tooth cavities two of the reduction
when a space shuttle re-enters the atmosphere its temperature rises and it can heat the surrounding air to 1260oc at
a combustion analysis of 1200 g of an anhydrous sodium salt gave 0942 g of co2 00964 g of h2o and 0246 g of na the
at room temperature identical gas cylinders contain 10 moles of nitrogen gas and argon gas respectively determine the
arthur and betty start walking toward each other when they are 100 m apart arthur has a speed of 30 ms and betty has a
1a give the coordination number of the central ion in each of the following complexionsa znoh42-b agnh32c cocl64-d
when the play button is pressed a cd accelerates uniformly from rest to 480revmin in 20 revolutions if the cd has a
a baseball is hit into the air at an initial speed of 367 ms and an angle of 595 deg above the horizontal at the same
a marine biologist powers the 800 w 24 v electric outboard motor on her boart from a 75 ahr battery how long can she