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The maximum pitching moment that is developed by the water on a flying boat as it lands is noted as cmax The following are the variables involved in this action:
a = angle made by flight path of plane with horizontal,
β= angle defining attitude of plane,
M = mass of plane.
L = length of hull.
p = density of water,
g = acceleration of gravity,
R = radius of gyration of plane about axis of pitching.
(a) According to the Buckingham π theorem, how many independent dimensionless groups should there be which characterize this problem?
(b) What is the dimensional matrix of this problem? What is its rank?
(c) Evaluate the appropriate dimensionless parameters for this problem.
A U manometer reads 20 cm air as operating fluid and a given manometric fluid. A single branch closed tube reads 35 cm connected to point 1. If P2 = 1.2 ATM calculate the pressure in point 1 and the density of the manometric fluid.
calculate the required thickness in x-direction of a silicon wafer in nm to create an 0.2 ev energy difference
A three-phase, wye-connected induction motor is supplied by a three-phase and foursin system with line-to-line voltage of 220V and the impedance of the motor is 6.3+j3.05Ohm per phase.
Assume that the drag force is 500 N and the friction force is 2kN. Compute the voltage across the primary windings when the motor travels at 100km/h.
A logic function is given by F=?A,B,C,D,E(3,11,12,19,24,26,27,28,30). Use variable-entered K-map to find a simplified sum-of-product expression for function. Also find the corresponding product-of-sum expression.
(a) Write f as a minterm list (that is, in the form fm(*)). (b) Write f as a canonical sum-of-products. (c) Simplify the expression from part (b). (d) Write f as a maxterm list (that is, in the form fM(*)). (e) Write f as a canonical product-of-sums...
A 100 kVA 2000/400 V, 50 Hz single-phase transformer gave the following test results. With 2000 V applied to the primary with the secondary on open circuit: current 2 A, power 1400 W With the secondary short-circuited and 112 V applied to the primary..
Let's say that an object covers a distance of 3 m in 5 seconds under constant acceleration. Use kinematics equations and Newton's second law to calculate the following: a) the acceleration of the can, b) the net force on the can,
A shunt-connected a DC motor has zero rotational losses and RA = 0. Assume that RA and Radj is constant [except in part (d)] and that φ is directly proportion to field current. For VT= 200 V and Pout = 2 hp.
Calculate the tip displacement by solving the total Lagrangian variational equation with the St. Venant-Kirchhoff nonlinear elastic material model.
1.If the current in anelectric conductor is 2.4A, how many coulombs of charge pass anypoint in a 30-second interval 2.A lightning bolt carrying 30,000A lasts for 50 microseconds. If the lightning strikes an airplane flying at 20,000 feet
an ordinary flashlight battery is found to have a potential of 1.4 V when disconnected and a potential of 1.2V vhen connected to a resistance that has a producing a current of 0.004 A. what is the internal resistance of the battery
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