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Sucrose is allowed to diffuse along a 10 centimeter length of tubing filled with water. The tube is 6.5 cm2 in cross-sectional area. The diffusion coefficient is equal to 5.0 x 10-10 m2/s, and 8.0 x 10-14 kilogram is transported along the tube in 12 seconds. Find the difference in the concentration levels of sucrose at the two ends of the tube?
___________kg/m3
A hot air balloon is ascending straight up at a constant speed of 5.70 m/s. When the balloon is 11.0 meter above the ground, Compute how far above ground level are these places
An object that is 37 cm in front of a convex mirror has an imagelocated 25 cm behind the mirror. How far behind the mirror is the image located when the object is 30 cm in front of the mirror?
As an object is heated to a very high temperature and becomes self-luminous, What causes the color shift
a 3 micro-colomb charge is located 1m from a 5 micro-colomb charge. what new distance between the two charges would
In an experiment by a helium-neon laser with a wavelength of 632.8nm, you illuminate a double slit that is positioned 3.0m from a screen. There are 12 bright fringes spanning a distance of 52mm. What is the spacing (in mm) among the slits?
a severe thunderstorm dumped 2.8 in of rain in 30 min on a town of area 34 km2. what mass of water in kg fell on the
A 0.150-kg block of ice is placed against a horizontal, compressed spring mounted on a horizontal tabletop that is 1.20 m above the floor. The spring has force constant 1900 N/m and is initially compressed 0.045 m. The mass of the spring is negligibl..
A golf ball strikes a hard, smooth floor atan angle of θ = 26.4° and, as the drawing shows, rebounds at the sameangle. The mass of the ball is 0.037kg, and its speed is 45 m/s just before and after striking thefloor. What is the magnitude of the i..
A hockey puck B rests on a smooth surface of ice and is struck by a second puck A , which was originally traveling at v= 40.0m/s, What fraction of the original kinetic energy of puck A dissipates during the collision
Light of wavelength 589 nm is incident on a single slit that is 0.720mm wide, and the resulting diffraction pattern is observed on a screen 2.00m away. What is the distance between the two dark fringes on either side of the central bright fringe
How much heat flows from 1.00 kg of water at 38.0°C when it is placed in contact with 1.00 kg of 20°C water in reaching equilibrium, What is the change in entropy due to this heat transfer
a football quarterback throws a pass at an angle of 30.5deg. he releases the pass 3.50 m behind the line of scrimmage.
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