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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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An elevator is moving upward at 0.96 m/s when it experiences an acceleration 0.35 m/s 2 downward, over a distance of 0.71 m. What will its final velocity be?
You are observing the surface of the Moon with a 1.3 m diameter telescope. Assuming that the telescope resolution is limited only by diffraction effects, what is the diameter of the smallest crater that the telescope can ...
A 0.21-kg apple falls from a tree to the ground, 4.0 m below. Ignoring air resistance, determine the apple's kinetic energy, K, the gravitational potential energy of the system, U, and the total mechanical energy of the ...
What are the necessary and sufficient conditions that an ARMA system be minimum phase? Find if the following filters are (i) causal and stable, (ii) minimum phase.
Plot the following experimental equilibrium values for trichloroethylene, TCE, in water at 20°C. Determine the Henry's law constant for this TCE-water system, with H in atm/(g mol/m 3 ).
A radioactive isotope is being produced at a constant rate dN/dt - R in an experiment. a. The isotope has a half-life Show that after a time t >> t1/2, the number of active nuclei will become constant. Find the value of ...
An 1800 kg car stopped at a traffic light is struck from the real by a 900kg car. The two cars become entangled, moving along the same paths that of the originally moving car. If the smallest car were moving at 20m/s bef ...
(a) Using a calculator or computer, sketch the graph of y = 2ex + 5e-x for -3 ≤ x ≤ 3, 0 ≤ y ≤ 20. Observe that it looks like the graph of y = cosh x. Approximately where is its minimum? (b) Show algebraically that y = 2 ...
The 1D2 state of atomic oxygen lies 1.968 eV above the ground state. Calculate the enthalpies of reaction for the HOx cycle reaction 1DO + H2O r 2OH and the corresponding ground state reaction 3PO + H 2 O→ 2OH.
Suppose that a 920 kg car is traveling at +20 m/s. Its brakes can apply 4596 N of force. What is the minimum distance required for the car to stop?
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