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Find out the boundary layer thickness and drag on a given plate.
Water at 15°C flows over a plate 2m long and 25cm wide at a velocity of 5 m/s along its length. Conclude the boundary layer thickness and the drag on the plate.
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A spherical droplet of methane (2cm in diameter) is burned in pure oxygen atmosphere at 2000 K and 3 atm. Oxygen is transferred to the surface by diffusion, where it is consumed by the reaction: CH 4 + 2O 2 → 2H 2 O+CO ...
A 1.98-cm by 1.58-cm rectangular coil has 276 turns. The coil rotates at 66rev/s in a magnetic field. If the maximum emf generated by the coil is 25V, what is the magnitude of the magnetic field?
The input to a channel Q is a word of 8 bits. The output is also a word of 8 bits. Each time it is used, the channel flips exactly one of the transmitted bits, but the receiver does not know which one. The other seven bi ...
1) A rock is suspended form a scale reads 10.0 N. A beaker of water is raised up so the rock is totally submerged in the water. The scale now reads 6.25 N. What is the density of the rock? ((answer: 2.67 times the densit ...
Question1: (Mechanics of Materials) Three vertical wires A, B and C are suspended from rigid supports as shown. A rigid horizontal cross bar is connected at their lower ends, it is supporting a load of 20kN. The bar is ...
Project path A-C-E-J has these activity time estimates in days: Activity Optimistic Most Likely Pessimistic A 3 ...
Find the minimum distance of the ‘pentagonful' low density parity-check code whose parity-check matrix is Show that nine of the ten rows are independent, so the code has parameters N = 15, K = 6. Using a computer, find i ...
A 0.427 kg mass is attached to a spring with a force constant of 25.3 N/m and released from rest a distance of 3.07 cm from the equilibrium position of the spring. Calculate the speed of the mass when it is halfway to th ...
The purpose of this problem is to show in three ways that the binding energy of the electron in a hydrogen atom is negligible compared with the masses of the proton and electron. (a) Calculate the mass equivalent in u of ...
The center of a 8.0 kg lead ball and a 130 g lead ball are separated by 10 cm. (a) what gravitational force does each exert on the other? (b) what is the ratio of this gravitational force to the weight of the 130 g ball?
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