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a car manufacturer claims that you can drive their new vehicle across a hill with a 47 slope before the vehicle starts
calculate deltau of a gas for a process in which the gas absorbs 18j of heat and does 6j of work by
a vw bug hits a huge truck head on each vehicle was initially going 50 mpha which vehicle experience the greater forceb
a compound contains 1013 c and 8987 cl by mass determine both the empirical formula and the molecular formula of the
a loudspeaker of mass 200 kg is suspended a distance of h 220m below the ceiling by two cables that make equal angles
vector has a magnitude of 63 units and points due west while vector b has the sasme magnitude and points due south find
a person pushes on a stationary 125 n box with 69n at 30degrees below the horizontal as shown in the figure the
a fire house 40cm in diameter is capable of spraying water at a velocity of 10 ms for a continuous horizontal flow of
the drag coefficient d for a spherical raindrop with a radius of 0445cm falling at its terminal velocity is
pendulum bob a has half the mass of pendulum bob b each bob is tied to a string that is 51 meters long when bob a is
how much heat is liberated at constant pressure when 265g of ethanec2h6 are combusted in excess oxygen2c2h6g 7o2g4co2g
an infinitely long line of charge has a linear charge density of 500times1012 cm a proton is at distance 120 cm from
a hollow sphere of radius 035 m with rotational inertia i 0032 kg m2 about a line through its center of mass rolls
a supertanker mass 170 x 108 kg is moving with a constant velocity its engines generate a forward thrust of 740 x 105 n
here it is analysis of several samples of a material containing only iron and oxygen gave the following results could
a 216 kg solid sphere radius 0120 m is released from rest at the top of a ramp and allowed to roll without slipping
figure 19-26 shows two paths that may be taken by a gas from an initial point i to a final point f path 1 consists of
when an amount q of heat was added to a particular ideal gas the volume of the gas changed from v1 to v2 while the
1 take 7 test tubes from the glassware shelf and place them on the workbench2 add 1g of the seven metals on the
a bedroom bureau with a mass of 40 kg including drawers and clothing rests on the horizontal floor the coefficient of
compare solutions 2 and 4 how does the common-ion effect influence the ph of solution 4 please explain fully and
a 10kg hammer strikes a nail at a velocity of 77ms and comes to rest in a time interval of 90mspart a what is the
two newly discovered planets follow circular orbits around a star in a distant part of the galaxy the orbital speeds of
a car with a vertical radio antenna 75 cm long drives due east at 30 ms the earths magnetic field at this location has
which has more grams of nacl a 2 molar solution in 2 liters or a 3 molar solution in 15