A tube has a length of 1.7 cm and a cross-sectional area of 8.0 x 10-4 m2. The tube is filled with a solution of sugar in water. The diffusion constant of sugar in water is 5.0 x 10-10 m2/s. A difference in concentration of 3.5 x 10-3 kg/m3 is maintained between the ends of the tube. How much time is required for 9.0 x 10-13 kg of sugar to be transported though the tube in seconds?
A tube has a length of 1.7 cm and a cross-sectional area of 8.0 x 10-4...
A solenoid of length 8.0 x 10^-2 and cross sectional area 5.0 x 10^-2 m^2 contains 6500 turns per meter of length. Determine the emf inducted in the solenoid when the current in the solenoid changes from 0 to 1.5 A during a time interval of 0.20 seconds.
A block of material with a cross-sectional area of 15 cm2 and length of 8.0 cm is at hand. A temperature difference of 30 ̊C is established and maintained across the block. Find the rate of heat flow through it if: (2 marks) The material is copper (K = 397 Js-1m-1C-1). The material is air (K = 0.0234 Js-1m-1C-1). The material is wood (K = 0.08 Js-1m-1C-1).
A liquid of density 830 kg/m3 flows through a horizontal pipe that has a cross-sectional area of 2.50 x 10-2 m2 in region A and a cross-sectional area of 9.20 x 10-2 m2 in region B. The pressure difference between the two regions is 6.80 x 103 Pa. What are (a) the volume flow rate and (b) the mass flow rate?
A liquid of density 930 kg/m3 flows through a horizontal pipe that has a cross-sectional area of 2.90 x 10-2 m2 in region A and a cross-sectional area of 9.90 x 10-2 m2 in region B. The pressure difference between the two regions is 7.40 x 103 Pa. What are (a) the volume flow rate and (b) the mass flow rate?
A glass tube of cross sectional area 1.3 × 10 4m2 is partially filled with water. An oil with a density of 810 kg ms is slowly with the water and floats on top of it. The height of the oil above the water's surface is l 1 cn. oned into the tube so that does not mi (a) By how much does the pressure change at a depth of 14 cm below the water's surface after the oil s...
110 points] A U-tube of uniform cross-sectional area A is open both ends. It contains waterand oil. The reference level y =0 the interface between the oil and water. The water surface is y at 50 mm above the reference level, and the oil surface is y2 65 mm above the reference level. What is the density of the oil? Oil 65 m 50 min Waler Density = kg / m3 2. [12 points] A 30-kg block is floating on...
A U-tube of uniform cross-sectional area and open to the atmosphere is partially filled with mercury. Water is then poured into both arms. If the equilibrium configuration of the tube is shown in the figure below, with h2 = 1.409 cm, determine the value of h1. The density of mercury is 13,600 kg/m^3.
Problem 4 Consider the U-tube problem of the previous assignment. - A U-tube with cross-sectional area A is partially filled with water of column length l. When held vertically, the water is set into oscillation with initial amplitude % where it is noted that after 10 complete oscillations, the amplitude of oscillation has fallen by a factor of 2 From equation (2.4.1) in the class notes, the equation of motion for a damped harmonic oscillator is: 3+292 + wis =...
8. The fresh water intake in a reservoir has a cross-sectional area of 0.800 m2 and receives water flowing at a speed of 0.500 m/s. At the outlet, a vertical distance of 200 m below the intake, the cross-sectional area is 0.020 m. Calculate the pressure difference between the inlet and outlet. (Answer: 1.76 x 10 Pa)
A copper rod has a length of 2.0 m and a cross-sectional area of 3.4 x 10-4 m2. One end of the rod is in contact with boiling water and the other with a mixture of ice and water. What is the mass of ice per second that melts? Assume that no heat is lost through the side surface of the rod. m/t = i