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To calculate a rocket’s position, velocity, and acceleration at different points in time. A rocket, initially at rest on the ground, accelerates straight upward with a constant acceleration of 58.8m/s^2 . The rocket accelerates for a period of 8.00s before exhausting its fuel. The rocket continues its ascent until its motion is halted by gravity. The rocket then enters free fall. Find the maximum height, y_max, reached by the rocket. Ignore air resistance and assume a constant acceleration due to gravity of 9.810 m/s^2 .
The gas flow rate is 1 kg m-2 s-1 of and the water entering is 1.6 kg m-2 s-1. For this system Henry's law holds and ye=1.75x, where ye is the mol fraction of A in the vapour in equilibrium with a mole fraction of x in the liquid.
Discuss the method of investigation upgrading of existing gravel road to bituminous paved standard,40km long.
A hi-vol clean filter weighs 18.00 g. After a 24 hour sampling period the filter is removed and weighs 18.65 g. The initial flow rate through the filter was 2.5 m3/min. When the filter was removed the flow rate through the filter was 1 m3/min. What i..
Soil is excavated from a borrow to construct an embankment with a net volume of 50,000 cy. This is performed by compacting 12-in layers of the soil to a dry weight of 110 pcf at a moisture content of 18%.
The winch consists of a drum radius 4 in., which is pin connected at its center C. At its outer rim is a ratchet gear having a mean radius of 6 in. The pawl AB serves as a two-force member (short link) and keeps the drum from rotating.
16.5 the california ambient air quality standard for visibility requires that the average sigma e be less than 0.23
The concrete post (Ec=3.6*10^6 psi and Ac= 5.5*10^-6/degrees F) is reinforced with six steel bars. each of 7/8-in diameter (Es=29*10^6 psi and As=6.5*10-6/ degrees F).
Mike and Susan hope to retire a few years early, they decided to pay closer attention to the predicted amount of retirement benefits and do some analyses on the numbers.
Soil material is being assessed as a possible liner for a sanitary landfill. A soil core was collected and brought to the laboratory. A 10-cm tall section of soil has 2 cm of water continuously ponded on it. The area of the core surface is 78 cm^2..
In thermal expansion is a tendencyof a material to increase in size as it increase intemperature. Where the young modulusdescribes tesile elasticity. or the tendecy
Calculate the Air flow required in CFM to transfer 5,396 BTU/Hour in an HVAC duct given that the temperature difference (Delta-T) between the room and the supply air is 21 DegF.
A constant-head test was conducted on a sample of soil 15cm long and 60 cm^2 in cross-sectional area. The quantiities of water collected was 50 cm^3 in 20 seconds undera a head difference of 24 cm.
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