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i have a vert cyl height h and sealed with a piston ignoring weight inside air under piston is in pa and given a liquid
at some point in its trajectory a ballistic missile icbm of massm breaks into three fragments of mass m3 eachone of the
a piece of metal at 80 degrees celsius is placed in 12 l of waterat 72 degrees celsius the system is thermally isolated
a new binaryasteroid is discovered in our solar system with an orbital periodaround the sun of 5 yrs the two components
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a star similar to our sun radiates energy at the prodigious rate of46 1026 wa at what rate does this star convert mass
suppose a sphere thin hoop and a disk were all rolling along a horizontal surface with the same speed when they
a goodyear blimp typically contains 5400m3 of helium he at an absolute pressure of 11multiplied by 105 pathe
two blocks are suspended over a pulley the pulley can be treatedas a uniform solid cylindrical disk the downward
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the end of the cutting cord on a gas powered weed cutter is 015 m in length if the motor rotates at the rate of 20 revs
a merry-go-round at a playground is a circular platform that is mounted parallel to the ground and can rotate about an
green light of a wavelength 550 nm enter a piece of glass that hasindex of refraction n 15 for the light what is the
a tube is closed at one end and open to 16 o c air atthe other end the tube vibrates in the fifth harmonic at
to fill a childs backyard inflatable wading pool you use a gardenhose with a diameter of 29 cm water flows from this
a star has a mass of 18 1030 kg and radiates energy at the rate of40 1026 w what fraction of its original mass has the
assume that the protons in a hot ball of protons each have akinetic energy equal to kt where k is the boltzmann
a very large tank contains the gas ethane the pressure of ethaneis 214 x 104 pa thereare 428 moles of this gas in
a 50-gram ice cube at -30 degrees celcius is heated until 45 grams has become water at 100 degrees celcius and 50 grams
a string 2m long is fixed at both ends it is found that standingwaves can be set up in this string for frequencies of
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a spherical balloon is made from a material whose massis 300 kg the thickness of thematerial is negligible compared to
a a stars temperature is 5649 kaccording to the stefan-boltzmann law how much energy is radiatedinto space per second
a cube floats in waterthe length of each side 8 cm the cube is 34 submergeda find the volume of the water displacedb
what is the angular momentum of a 0210 kg ball rotating on the endof a thin string in a circle of radius 110 m at an