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a cylindrical container open at the top is 10 m tall and contains mercury to a certain depth d the rest of the cylinder
if a 155- reaction vessel initially contains 181 of water at 7000 in contact with excess solid carbon find the percent
squaw valley ski area in california claims that its lifts can move49600 people per hour if the average liftcarries
benzyl chloride c6h5ch2cl readily undergoes an sn1 reaction yet it is a primary substrate explain this seemingly
an vehicles starts from rest and accelerates at a rateof 2ms2 in a straight line until it reaches a speed of20ms the
an argon laser puts out 50 w of continuous power at a wavelength of 532nm the diameter of the laser beam is 55mm if the
a billiard ball is moving in the x-direction at 300 cms and strikes another billiard ball moving in the y-direction at
a research group plans to construct an engine that extracts energyfrom the ocean using the fact that the water
a nuclear power plant has a reactor thatproduces heat at the rate of 950 mw this heat is used to produce230 mw of
a motorcycle and a police car are moving toward one another thepolice car emits sound with a frequency of 522 hz and
you are an astronaut and you observe a small planet to be spherical after landing on the planet you set off walk
captain kirk and crew land on a planet that is made ofintergalactic bird feathers the radius of the planet is twice
a satellite is in a circular orbit just above the surface of themoon the radius of the moon is 1738 km what is the
a hollow cylinder of mass 0100kg and radius 400cm has a stringwrapped several times around itif the string is attached
a rock is thrown vertically upward from ground level at time t0 at t15s it passes the top of a tall tower and 10s later
two people start at the same place and walk around a circular lakein opposite directions one walks with an angular
consider a balloon containing hydrogenmolecules at room temperature 20degc and atmospheric pressureif the balloon has a
a meter stick is freely pivoted about the 20cm mark find the frequency of the small amplitude
a 500-n person stands on a uniform board of weight 100 n and length80 m the board is supported at each end if the
ch3nc isomerizes when heated to give acetonitrile ch3cn the reaction is first order at 230c the rate constant for the
write the isotope notation for the element that has 77 neutrons 54 electrons and has a net charge of
so2cl2 decomposes when heated the initial concentration of so2cl2 was 00248 moll if the rate constant is 22x10-2s what
a 10-m uniform beam of weight 100 n is supported by two ropes atthe ends if a 400-n person sits at 20 m from the left
a lever is 50 m long the distance from the fulcrum to the weightto be lifted is 10 m if a 3000 n rock is to be lifted
a lever is 50 m long the distance from the fulcrum to the weightto be lifted is 10 m if a worker pushes on the opposite