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The work on a system with a mass 100 lbm is known to be 10 BTU's. If there is no change in potential energy and the speed changes from rest to 32 ft/sec. What is the change in the internal energy of the system?
a company uses fifo method in its process costing system. the beginning wip inventory in a particular department
a single conservative force acts on a 4.90-kg particle within a system due to its interaction with the rest of the
a study of cell phones and the risk of brain cancer looked at a group of 469 people who have brain cancer. the
the position of a particle moving in a curvilinear path is given by thetacos2t where theta units are radians and t
the lifetimes in miles of a certain brand of automobile tires is a normally distributed random variable x with a mean
question a what is its kinetic energy at this moment?question b find the net work done on the object if its velocity
1. if a population mean is 300 and the sample mean is 400 the difference of 100 is calleda.standard errorb.sampling
anderson is the cost accountant for pass corp manufacturer of computerized circuit boards. he is trying to develop an
1. relative frequency distributions allow us to focus ona.the part or fraction of the total frequency that occupies
1. a government watchdog association claims that 70 of people in the u.s. agree that the government is inefficient and
Coefficient Reaction, The removal efficiency of a reactor tank is 73-percent and its residence time is 28.5s
A body with a plane stress field has material properties E, ν and has the following displacement field
the velocity of a lift increases uniformly from zero to its maximum value at mid-height (1.4m) in 7.5s and then decreases uniformly to zero in 7.5s. The peak power output is 6kW when the velocity is maximum, determine the maximum lift force provid..
The compression strength of Kevlar 49 fiber is about one-eight of its tensile stress. Estimate the smallest diameter of a rod on which 12 um diameter Kevlar fiber can be wound without causing kinks on its compression side.
Write a paper on Boyle's law and describe Compression and Combustion stroke . Also explain Charles's law and illustrate SI engine and CI engine.
Assume you are given a spherical joint where the ball has a radius of 20 mm and socket has a radius of 22 mm. If the contact load is 50 N, E = 210 GPa, and ν = 0.3, determine (a) the radius of the contact area, (b) the maximum contact pressure.
Determine the maximum horizontal displacement s of the block. Each of the two springs has a stiffness of k = 2500N/m and an unstretched length of 0.15 m.
many bridge designs today contain simple geometrical components but are constructed into complex ways to ensure that
A steel alloy to be used for a spring application must have a modulus of resilience of at least 2.07 MPa (300 psi). What must be its minimum yield strength?
determine the optimal pressures, temperatures, and fraction of steam extracted to maximize thermal efficiency.
a gymnast of weight 720n is holding himself in the cross position on the high rings. he is quite still. draw a
Direct Stress and Strain, A steel rod having a cross-sectional area of 0.005m2 and length 3m is attached to supports.
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