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A weight of 50 N is suspended from a spring of stiffness 4000 N/m and is subjected to a harmonic force of amplitude 60 N and frequency 6 Hz. Find
(a) the extension of the spring due to the suspended weight,
(b) the static displacement of the spring due to the maximum applied force, and
(c) the amplitude of forced motion of the weight.
26.42 galmin of 100 sulfuric acid at 25 degrees c is mixed with 44.49 galmin of liquid water at 15 degrees c. if the
Assuming a coefficient of static friction equal to 0.2 at the common surface, find the maximum torque that may be transmitted by the flywheel without slippage.
an automobile of weight w that has a wheel base of lenght l during fourwheel braking. the center of gravity is a
a strain gage system is mounted on an airplane wing to measure wing oscillations and strain during wind gusts. the
a gas turbine burns methane with 150 theoretical air. assume the air is 25 degrees celsius 100 kpa and has a relative
water vapor is cooled in a closed rigid tank from 540 degrees celsius and 100 bar to a final temperature of 270 degrees
Within the last month, the raw material price and consumable price combined has increased by 5.5%. If the throughput was 5 parts/hour estimates the future throughput that has to take place in order to maintain a constant production cost. Consider the..
A piston cylinder contains 1 kg of R-134a and undergoes a reversible compression process. During the process the R-134a also loses 37 kJ of heat to the environment. If the temperature of the piston remains a constant 20 oC and the initial the pressur..
water vapor is cooled in a closed rigid tank from 520 c and 100 bar to a final temperature of 270 c. determine the
The components of the exhaust gas of a spark-ignition engine using a fuel mixture represented as C8H17 have a dry molar analysis of 8.7% CO2, 8.9% CO, 0.3% O2, 3.7% H2, 0.3% CH4, and 78.1% N2. Determine the equivalence ratio.
At what value of the strain should the operators take action to reduce the pressure in the tank? (Data for the steel are as follows: modulus of elasticity E = 205 GPa and Poisson's ratio 0.30.)
a 20 mm diameter steel bar is to be used as a torsion spring. if the torsional stress in the bar is not to exceed 100
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