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A single stage rocket is fired from a launch pad just in front of the Library. The rocket engines impart a constant acceleration of 20 m/sec/sec for a total time of 40 sec. At that time, there is no more fuel in the rocket engine and the rocket continues upwards in free fall (g=0 ft/sec/sec).
(a) How high will the rocket reach before it begins to fall back to the campus?
(b) How long did it take for the rocket to reach that maximum height?
(c) You, the designer of the rocket, are now told that you must make adjustments so that the next rocket will reach a maximum height 1 km higher than the maximum height reached by the first rocket. What adjustments can you make - explain?
One method of removing phosphate from wastewater effluents is to precipitate it with aluminum sulfate. A plausible stoichiometry (but not exact because aluminum and phosphate can form many different chemical materials) is
A haul fleet of trucks having a heaped capacity of 15 cy. is to be loaded by a hydraulic backhoe excavator (CT=.48 min.) with a 3 1/2 cy. heaped capacity. Assume the material is a wet loam that weighs 3380 lb/cy in the bank state
A company near City X want's to know how much benzene they can release into River Y. City Z is 85.5 miles downstream from City X. City Z doesn't want to have Benzene levels higher than 0.0000015 g/L.
In the state of Oklahoma the county roads are designated with a number and a letter. E on roads extending east and west and S on roads extending north and south.Those roads traveling east and west are designated a number and the letter E
What is the total deformation in a 15' 2'' square steel hanger that supports a 36000 pound load
The driver of a car traveling up a 2% grade at an initial speed of Vo applied the brakes abruptly and the vehicle slid to a complete stop at an average deceleration of 8ft/s^s. Was the pavement wet or dry?
a wind tunnel is used to experimentally determine the lift force L and drag force D on a scale model of an aircraft. the bracket supporting the aircraft is fitted with an axial spring with stiffness k= 0.125 N/mm and a torsional spring with stiffn..
A rectangular brickwork channel with width 20 ft laid on a slope 10ft/mi. What is the flow depth if the flowrate is 300vft^3/s
Determine the mass and specific volume of argon gas in a vessel at 150 kPa and 20°C. The vessel is spherical, with radius 5 m.^5
Banks typically offer 15-,20-, and 30- year loans. a) Calculate the monthly loan payment to repay a $100,000 home loan at 7% ARP over 30 years.
An embarkment will be constructed with the soil compacted to 95 percent of the max dry density. the borrow material, is deposited at a uniform density of 75 percent of the max dry density. the roadway embankment will require 75,000 cubic yards of fil..
A 20g mass vibrates accordings to the equation x=0.0009cis(3pit/2 + pi/2). Find the amplitude, period, max velocity, max acceleration, spring constant "K", and the total energy of the system
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