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During World War II, Sir Geoffrey Taylor, a British fluid dynamicist, used dimensional analysis to estimate the wave speed of an atomic bomb explosion. He assumed that the blast wave radius R was a function of energy released E, air density , and time t. Use dimensional reasoning to show how wave radius must vary with time.
The ball is kicked from point A with the initial velocity vA=10m/s. Determine the range R, and the speed when the ball strikes the ground
Compute the mass fractions of a ferrite and cementite in pearlite. What is the distinction between hypoeutectoid and hypereutectoid steels?
A brake is applied to a flywheel rotating at an angular velocity of 100 rad/s. If the angular velocity reduces to 20 rad/s in 15s, find (a) the deceleration produced by the brake and (b) the total angle the flywheel rotates in the 15s period.
the diameter of a cylindrical water tank is d0 and its height is h. the tank is filled with water which is open to the
a sled of mass m is given a kick on a frozen pond. the kick imparts to it an initial speed of 1.70 ms. the coefficient
Explain the two sources of magnetic moments for electrons.
write the equation of motion for a pendulum consisting of a thin 4kg stick of length l suspended from a pivot. how long
current automotive air conditioners use r134a as a working fluid. assume an evaporator temperature of 0c in practice
an alcohol solution contains 6 by mass ethanol. this solution is fed to a distillation column at a rate of 1000 kgh.
In a thin-walled cylinder loaded with internal pressure, show how a single-element strain gage in hoop direction can be used to established the hoop and axial stresses.
the department of energy projects that between the years 1995 and 2010 the united states will need to build new power
an isolated muscle with cylindrical shape is stimulated repeatedly until the concentration of lactate in the muscle
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