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mars rotates on its axis once every 102 days almost the same as earth does a find the distance from mars at which a
a car initially traveling at 232 ms undergoes a constant negative acceleration of magnitude 210 ms2 after its brakes
a factory worker moves a 280kg crate a distance of 480m along a level floor at constant velocity by pushing
a synchronous satellite which always remains above the same point on a planets equator is put in orbit around neptune
fm radio stations use radio waves with frequencies from 880 to 108 mhz to broadcast their signals assuming that the
in a certain binary-star system each star has the same mass which is 20 times of that of the sun and they revolve about
two round concentric metal wires lie on a tabletop one inside the other the inner wire has a diameter of 180cm and
very fine smoke particles are suspended in air the translational rms speed of a smoke particle is 23 x 10-3 ms and the
suppose the temperature of 463 l of ideal gas drops from 353 k to 275 k a if the volume remains constant and the
an object with a mass of m 48 kg is attached to the free end of a light string wrapped around a reel of radius r 0235
a balloon of volume 27 m3 contains argon gas at a pressure of 24 105 pa and room temperature 20degc what is the total
using a grating with a spacing of 000046 cm a line which looks like red light appears 27 cm from the central line on a
an ideal gas at 233degc and a pressure 160 105 pa is in a container having a volume of 100 l a determine the number of
an unknown material has a normal meltingfreezing point of -217 degc and the liquid phase has a specific heat capacity
a thin rod consists of two parts joined together one-third of it is silver and two-thirds is gold the temperature
a spherical brass shell has an interior volume of 200 x 10-3 m3 within this interior volume is a solid steel ball that
the average coefficient of volume expansion for carbon tetrachloride is 581 10-4 degc1 if a 485-gal steel container is
gas is confined in a tank at a pressure of 117 atm and a temperature of 300degc if two-thirds of the gas is withdrawn
a balloon of volume 44 m3 contains argon gas at a pressure of 44 105 pa and room temperature 20degc what is the total
you need a transformer that will draw 14w of power from a 220 v rms power line stepping the voltage down to 12v rms a
a converging lens f 114 cm is located 330 cm to the left of a diverging lens f -54 cm a postage stamp is placed 366
a farsighted man uses eyeglasses with a refractive power of 185 diopters wearing the glasses 002 m from his eyes he is
you place 73 moles of hydrogen gas in a balloon of volume 26 m3 and find the pressure to be 14 times atmospheric
a calculate the linear and rotational speed of a solid sphere of radius 200 cm and mass 120 kg that is released from
a proton is confined to a finite potential well ranging from 5e to 80 over a given range of -4l less or equal to x less