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a diatomic gas expands adiabatically from one atmospherepressure to two atmosphere pressure find the ratio of its final
the cosmoclock 21 ferris wheel in yokohama city japan hasdiameter of 100m its name comes from its 60 arms each of
a 0410 kg pendulum bob passes through the lowest part of its path at a speed of 320 msa what is the tension in the
by means of a rope whose mass is negligible two blocks aresuspended over a pulleyone block wighs 110-kg and the other
a classic 1957 chevrolet corvette mass 1240 kg starts fromrest and speeds up with a constant tangential acceleration of
determine the zero-point energy for an electron in a 1-d box ofdimension l 10-15m suppose that the center of the boxis
a 50 x 104-kg space probe is traveling at a speed of 11000ms through deep space retrorockets are fired along the line
your job is to lift 30kg crates avertical distance of 090m from the ground onto the bed of a trucka how many crates
an 800-kg man jumps from a height of 250 m onto a platformmounted on springs as the springs compress he pushes the
a braking force is applied to a 300kg motorcycle to reduce its speed to reduce its speed from 200ms to 160ms in 100sa
a 100 kgblock is dragged over a rough horizontal surface by a 840 n force acting at 200deg above thehorizontal the
compute the most probable distance that a nitrogen molecule will traverse in tissue after 05 s if the molecule
a solution contains 390g of solute in 142g of solvent what is the mass percent of the solute in the
a loaded grocery cart is rolling across a parking lot in astrong wind you apply a constant force f30ni-40nj to the cart
what is the specific heat capacity of a liquid if 4500 kj of heat caused 2300 g of the liquid if temperature changed
a new event has been proposed for the winter olympics anathlete will sprint 150 m startingfrom rest then leap onto a
a solution is prepared by dissolving 280 g urea nh22co in 1565 g water calculate the boiling point of the solution urea
the power in watts dissipated by a resistor is given by p iv the resistors used innbsp this experiment are 1 watt
your bedroom is 18ft long and 15 feet wide and the distance from floor to ceiling is 8ft 6 inches a find the rooms
a person is making homemade ice cream she exerts a force ofmagnitude 19 n on the free end of thecrank handle and this
during a rockslide a 270kg rock slides from rest down ahillside that is 480m long and 300m high the coefficent of
the speed of sound in helium is 1010 mssuppose you use a tuning fork with a frequency of 522 hz what would be the
a carnot engine operates with an efficiency of 250 when the temperature of its cold reservoir is 263 k assuming that
a circularwire loop of radius 200 cm carries acurrent of 290 a it is placed sothat the normal to its plane makes an
solutions of sulfuric acid and lead ii acetate react to form solid lead ii sulfate and a solution of acetic acid530g of