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1. Show that the difference of the stream functions between two streamlines is the flow rate q per unit depth between the two streamlines, i.e., q ¼ c2 - c1. 2. Show that each of the following represents an incompressible plane flow and find the associated stream function or potential function.
(a) f ¼ 10y(b) c ¼ 20xy(c) f ¼ 10y (cylindrical coordinates)(d) c ¼ ð20=rÞsin y (cylindrical coordinates
A force of 725 N accelerates a 325kg object, initially moving at 7.50 m/s, to a final velocity of 28.5 m/s in 16.5 seconds. What was the change in kinetic energy of the object
one of the lasing transitions of an argon ion laser is at 488 nm and the transition probability aul 7.8 x 107s. the
A box is sliding with a speed of 4.50 m/s on ahorizontal surface when, at point P, it encounters a roughsection. What is the coefficient of friction at the stopping point
In the Bohr model of the hydrogen atom, an electron in the 1st excited state moves at a speed of 2.19 *10^6 m/s in a circular path having a radius of 5.29*10^-11 m
Under the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. When the drive force is shut off, the snowmobile coasts to a halt.
a charge of -3.35 nc and a charge of -6.40 nc are separated by a distance of 80.0 cm. find the position at which a
question a gass has 100 j of energy in the form of heat is transfered to a system and the system does 150 j of work
Suppose you wish to fabricate a uniform wire out of 2.6 g of copper. If the wire is to have a resistance of R = 0.25 and if all of the copper is to be used, what must be the length of the wire in m and the diameter of the wire in mm.
q. suppose that you hear a clap of thunder 15.90 s after seeing the associated lightning stroke. the speed of sound
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Two railroad cars, each of mass 59000 kilogram, are traveling 85 km/h toward each other. They collide head-on and come to rest. Obtain how much thermal energy is produced in this collision
The angles with respect to the vertical are Q=10.5°, and T=23.5°. State if true, false, or can not tell. The mass of W can be less than that of Z. The charge on W can be positive and that on Z negative.
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