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Test the hypothesis that both machines fill to the same net contents, using alpha = 0.05. What are your conclusions? b) Find the P-value for this test. c) Construct a 95% confiedence interval on the
Construct a 90% two-sided confidence interval on mean life in the accelerated test. c) Construct a normal probability plot of the battery life data. What conclusions can you draw?
The net contents in ounces of canned soup is a random varialbe with probability distribution f(x)= 4(x-11.75) 11.75 <= x <= 12.25 f(x)= 4(12.75-x) 12.25 <= x <= 12.75.
A steel plate, which is 1.5 m by 1.5 m and 30 mm thick, is lifted by four cables attached to its corners that meet at a point that is 2 m above the plate.
Use the systematic methodology to predict the AMB generated brake force acting on the racecar when it is traveling at 250 mph. The ambient air temperature and pressure are 60 F and 14.7 psia, respec
Approximate the mean radiant temperature sensation of person standing in the center of the room. neglect the effects of the floor an ceiling.
Moist air at standard conditions in an indoor building space has a dry bulb temperature of 72F and relative humidity of 50%. At what dry bulb temperature will condensation begin to occur on wall an
SAE 30 oil at 100oC flows through a 12-mm-diameter stainless-steel tube. What is the specific gravity and specific weight of the oil?
If Drew wants to drop a rock in addition to the snowball and have both strike the student simultaneously, which should he drop first? Justify your response.
Compute this maximum height, in terms of V0, theta, and g. Note that when the ball's height reaches a maximum, its speed in the vertical direction will be zero.
The convective heat transfer coefficient between the outer wall surface and the ambient air is 6 Btu/h-ft2-R. What is the temperature (°F) on the inside wall of the building?
If solar radiation is incident on the spacecraft at a rate of 1000 W/m2, determine the surface temperature (K) of the spacecraft when the radiation emitted equals the solar energy absorbed.
The body starts from the position s=x0i with initial speed v0. Determine the velocity of the particle as a function of time t, and as a function of position s.
The winter indoor temperature is 23°C, and the summer indoor temperature is 25°C. The design outdoor temperature for winter is 2°C, and for summer, it is 39°C.
How much toque docs the motor need to supply (in N-m) in order for the water to heat up by 10 degreeree C in one hour? Assume water has a constant specific heat of 4.18 kJ/kg-K.
If the final pressure is 100 kPa, determine the work done on the gas and the heat transfer (specify whether the heat was added or removed in the process).
The pressure measured with a manometer indicates 60 cm of Hg above atmosphere when the barometer reads 760 mm of Hg. Find (a) the absolute pressure of gas in the vessel in bar and (b) specific vo
Determine the magnitude of the acceleration at the instant the speed of the motorcyclist is 25 ft/s . Express your answer to two significant figures and include the appropriate units.
Determine the minimum total cost of the fabric required to make the balloon for this particular application. Note that the balloon fabric is blue high strength nylon that costs $6.50 per square yard
The mass flow rate is 5.56 lb/s, and the isentropic turbine efficiency is 92%. Stray heat transfer and kinetic and potential energy effects are negligible. Determine the power developed by the turbi
A temperature of 27C .3 litres of gas at the same temperature and pressure are forced into the vessel.the temperature is then raised to 127C. Calculate the new pressure of the gas.
At a temperature just above 912°C the structure is FCC (a = 0.363 nm). Upon heating a block of iron past 912°C, does the volume increase or decrease, and by what percent?
At a height of 121 above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground?
The plates are separated by a distance of 0.8 cm, and the electric field within the capacitor has a magnitude of 3.5 106 V/m. What is the kinetic energy of the electron just as it reaches the positi