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The demand for a certain product is a linear function of the price. The sales of the product for three different prices are given in the following table
Find the least squares regression line and estimate the demand when the price is $1.40.
A piston-cylinder device contains steam that undergoes a reversible thermodynamic cycle. Initially the steam is at 400 kPa and 350C with a volume of 0.3 m^3. The steam is first expanded isothermally to 150 kPa, then compressed adiabatically to the in..
a rigid vessel contains 10 kg of steam. the steam is initially at 10 bar and 300degc. after a period of time the
Which more closely resembles an absorption spectrum ?
If the flow is twodimensional and incompressible, with width b into the paper, derive a formula for the drag force F on the cylinder. Rewrite your result in the form of a dimensionless drag
long cylindrical steel rods density 7833 kgm3 and cp 0.465 kjkg middot degc of 15-cm diameter are heat-treated by
Over time, dust accumulates on the refrigerator's con- denser coil, which is located behind the refrigerator, increasing the hot side resistance to Rh,d = 0.1 K/W. It is desired to have a refrigerator cooling rate of qin = 750 W. Using the results ..
The disk is originally rotating at v0 = 12 rad> s. If it is subjected to a constant angular acceleration of a = 20 rad> s2, determine the magnitudes of the velocity and the n and t components of acceleration of point B when the disk undergoes 2 revol..
a constant-thickness plate specimen of width w and thickness t containing a crack has a compliance c given byc a1 a2
Calculate the minimum power required to convert 1 mole/sec of oxygen gas at 298 K and 1 atm to saturated liquid oxygen at 1 atm and 90.13 K (the atmospheric pressure boiling temperature) in a process in which heat is rejected to the environment at 29..
the 10-kg sphere c is released from rest when theta0 and the tension in the spring is 100 n. determine the speed of the
If it is supported by the cable AB and hinge at C, determine the tension in the cable when the truck begins to accelerate at 5 m> s2. Also, what are the horizontal and vertical components of reaction at the hinge C?
consider a thermodynamic system executing the two reveraible proceses shown in the sketch ab and adb. what is the heat
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