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In the movie Eraser, the bad guys had a gun that would shoot a 5 g aluminum slug at one quarter the speed of light. Let's assume that the slug is acted on by a constant force over the length of the 1 m long barrel. Further assume that the person shooting the gun is capable of keeping the gun stationary as the slug is being fired. a) What work is done by the gun on the slug? b) To put this number into perspective, calculate how high you would have to lift a 1500kg car in a constant 1 g gravitational field in order to equal the work calculated in part a).
Knowing that crank AB rotates about point A with a constant angular velocity of 900 rpm clockwise, determine the acceleration of the piston P when θ = 120°.
A rigid bar of mass m and length L is released from rest in the horizontal position. What is the rod's angular velocity when it has rotated through 90°?
what kind of metals are often recommended for use at low temperatures particularly when any sudden loading of the part
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On a single graph, plot "Hardness" as the ordinate versus "Aging Time" as the abscissa for each aging temperature - Discuss the effect of aging time and temperature on the effect of material hardness.
generate a script to draw the perpendicular bisector of any two points using ginput command. the length of the
a spherical communication satellite with a diameter of 2.5m is orbiting around the earth. the outer surface of the
a continuous steady state distillation column is fed a mixture that is 70 mol n-pentane and 30 mol n-hexane. feed rate
a stationary radar operator determines that a ship is 19 km south of him. an hour later the same ship is 16 km
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