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one mole of an ideal gas at 0c is held at a constant volume of 98 liter find the change in pressure if the tempera-
you somehow manage to get a gold ring with inner diameter 219 cm stuck on your finger even though your knuckle has a
a pyrex flask in a refrigerator at 1c is filled to the top and holds exactly 1000 cm3 of ethyl alcohol if the
a penny is dropped form the observation deck of the empire state building 369m above the ground with what velocity does
the temperature of a 28 m copper pipe is raised from 46c to 873cwhat is its change in length assume the coefficient of
a roller coaster is traveling at 5 ms at the top of a hill 40 m above the ground what is the speed of the roller
the focal length of the eyepiece of a certain microscope is 185 mm the focal length of the objective is 785 mm the
a ball is thrown straight up in the air at an initial speed of 30 ms using conservation of energy find the maximum
an insect 11 tall is placed 13 beyond the focal point of the objective lens of a compound microscope the objective lens
a point on the rim of a 025-m-radius rotating wheel has a centripetal acceleration of 40 ms2 what is the angular speed
due to a temperature difference t heat is conducted through a brass plate that is 0027 m thick the plate is then
a catapult with a radial arm 419 m long accelerates a ball of mass 191 kg through a quarter circle the ball leaves the
sunlight reaches the surface of the earth with a total intensity of about 1200 wm2 this sunlight shines at an angle of
a piece of wood is 0640m long 0230m wide and 700times102 m thicka its density is 600 kgm3 what volume of lead must be
a hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the bottom of the lake the
an ore sample weighs 175n in air when the sample is suspended by a light cord and totally immersed in water the tension
a circuit has a 12 v source connected to a 5 ohm resistor and 7 ohm resistor in series a current of 1 a flow through
when a switch is closed the current in a wire is given as it 10aexp-5ta how much charge flows out 20s after the switch
an airplane is flying horizontally in a region where the earths magnetic field is 52x10-5 t at an angle 60 deg below
the osmotic pressure of a saturated solution of strontium sulfate at 25 c is 21 torr what is the solubility product of
at body temperature 37 c ka for aspirin equals 3 x10 - 5if two aspirin tablets each having a mass of 325 mg are
a friend of yours who starts out at the same age as you travels to the alpha centauri solar system which is 470
the solubility product for znoh2 is 30x10- 16 the formation constant for the hydroxo complex znoh4 2- is 46x 1017awhat
how many microliters of 1000 m naoh solution must be added to 2500 ml of a 01000 m solution of lactic acid hc3h5o3 to
a 490 kg cannon fires a 90 kg cannonball with a speed of 200 ms relative to the muzzle the cannon is on wheels that