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A 9000 kg railroad car is moving at 3m/s strikes a stationary (not moving) 5000 kg railroad car. if the two rail road cars couple and move off together after the collision, what is their velocity?
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What is the equilibrium partial pressure (in atm) of H2S if a solid sample of NH4HS is placed in a closed container and allowed to reach equilibrium at 295 K.
A stone is thrown with an initial speed of 10.6 m/s at an angle of 52 degrees above the horizontal from the top of a 30 m building. If air resistance is negligible, then what is the magnitude of the vertical velocity component of the rock as it hi
Advertising fees are an important source of revenue for any newspaper. In an attempt to boost these revenues and to minimize costly errors, the management of the Herald has established a task force charged with the business objective of improv
Calculate the percentage of empty space in 1 mol of water at 25C. Obtain the density from the experiment " Some Measurements of Mass and Volume."
Understanding hypnosis in terms of focused attention, distinctive brain activity, and the presence of an authoritative presence in a legitimate context, requires an integrated?
A space station, in the form of a wheel 127 m in diameter, rotates to provide an "artificial gravity" of 4.00 m/s2 for persons who walk around on the inner wall of the outer rim. Find the rate of the wheel's rotation in revolutions per minute that
The Base composition for one of the strands of the DNA double helix is 25%A, 35%C, 18%G, and 22%T. What is the percent base composition for the other strand of the DNA double helix?
A solution was made by taking 1.250g of KMnO4 and dissolving it in enough water to make 1.000 liter of solution. How many mL of this solution are required to titrate a 0.480 g sample of H2C2O4·2H2O?
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