Spring-mass system is placed in a medium
A mass of 360g stretches a spring 2cm. If the spring-mass system is placed in a medium that imparts a viscous force of 1N when the speed of the mass is 1cm/sec, find the damping coefficient for this system. Use g = 9.8 m/s^2
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A Ti-6A1-4V alloy contains an internal through crack of 1.90 mm. What is the highest stress (MPa) that this material can withstand without catastrophic failure?
A straight 1.71mm diameter copper wire can just "float" horizonally in air because of the force of the Earth's magnetic field B which has a component that is horizontal, perpendicular to the wire, and of magnitude 5.32x10^-5 T. What current does t
When .514g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.8 degrees C to 29.4degrees C.
A fatigue test is made with a mean stress of 17500 psi (120 MPa) and a stress amplitude of 24000 psi (165 MPa). Calculate (a) the maximum and minimum stresses, (b) the stress ratio.
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One way to manufacture transistors, which amplify electrical signals, is to diffuse impurity atoms into a semiconductor material such as silicon. Calculate the concentration gradient in atomic percent/m.
Calculate the tension in the string when the angular velocity of the turntable is 60 rpm (rotations per minute).
Calculate the mass in g of the PbI2(s)(yellow precipitate) that is formed afterreacting with 1mL of 0.1M KI solution + 1mL of 0.06MPb(NO3)2 solution and then, add another 1mLof 0.1M KI solution.
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