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Sucrose is allowed to diffuse along 8.0 cm length of tubing filled with water. The tube is 5.6 cm^2 in cross-sectional area. The diffusion coefficient is equal to 5.0*10^-10 m^2/s, and 8.0* 10^-14 kg is transported along the tube in 19 s. What is the diffrence in the concentration levels of sucorse at the two ends
A sphere of styrofoam with a density of 152 kg/m3 has a 45 cm diameter. what is the maximum iron mass that can be suspended by a string from it so that it does not sink
A 15.0-µC particle with a mass of 2.80 10?5 kg moves perpendicular to a 1.01-T magnetic field in a circular path of radius 28.0 m. How long will it take the particle to complete one orbit
A -6.00-µC charge is moving with a speed of 6.40 104 m/s parallel to a very long, straight wire. Find the magnitude and direction of the force on the charge
A person pulls a toboggan for a distance of 40.1 m along the snow with a rope directed 21.3 ° above the snow. How much work is done on the toboggan by the tension force
Two cylindrical rods are identical, except that one has a thermal conductivity k1 and the other has a thermal conductivity k2. As the drawing shows.
A ball having amass of 150 g strikes a wall with aspeed of 4.8 m/s and rebounds withonly 50% of its initial kinetic energy. What is the magnitude of the impulse on the wall from the ball
Communication satellites are placed in geosynchronous orbit, i.e., in circular orbit such that they complete one full revolution about the earth in one sidereal day.
Practical steam engines utilize 475°C steam, which is later exhausted at 300°C. What is the overall efficiency of the two engines
A dynamite blast at a quarry launches a rock straight upward, and 2s later it is rising at a rate of 15m/s. assume air resistance has no effect on the rock, analyse its speed (a) at launch and (b) 5s after launch.
Two coplanar and concentric circular loops of wire carry currents of I1 = 6.20 A and I2 = 2.50 A in opposite directions as in the figure below. (a) If r1 = 12.0 cm and r2 = 8.60 cm, what is the magnitude of the net magnetic field at the center of ..
A bowler throws a bowling ball of radius R = 11 cm down a lane. The ball slides on the lane with initial speed vcom,0 = 6.5 m/s and initial angular speed ?0 = 0. How far does the ball slide
A battery has an emf and an internal resistance . When the battery is connected to a 25 ohm resistor, the current through the battery is 0.65 A. Find the battery's internal resistance
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