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During a hot air balloon race one specific balloon, initially at rest, accelerate vertically upward at a constant rate of a=4.5 ft/s^2 when t0=42 s from the ground the surface, which is at an altitude above mean sea level of s0=3750 ft. When the balloon reaches an altitude of s=3850 ft the pilot drops a sandbag. Compute
a)speed of balloon (and sandbag) just before the sandbag is released at s=3850 ft;
b)the time, t when the sandbag is released;
c) maximum altitude reached by the sandbag
d) the speed of the sandbags just as it hits the ground (s=3750ft)
A beam of rectangular cross section 300mm by 100mm sitsupright and has a moment of inertia of 225 X 10-6m4 and a max bending moment of 67.5KNm. Determine themax value of bending stress in the beam.
What is the solution if foundation bolt cut by some way from their bottom of skid, i mean skid base than how to keep another bolt etc for tightness of skid along with pump-motor already fittied with pipe and other fitting's too..
A 40lb, .8ft diameter, 1ft tall cylindrical tank slides slowly down a ramp with a constant speed of .1ft/s. The uniform-thicknessoil layer on the ramp has a viscosity of .2lb*s/ft^2.
Concrete pier is loaded on top with a uniformly distributed load of600 lbs per square foot. Investigate the state of stressat a level of 4 ft. above the base.
The specific heat (C sub p) of aluminum is 0.214 calories per gram degrees Celsius (0.214 cal/g-C). If a cube of aluminum with a mass of 13.6 kg exhibits a change in temperature of +30 degrees Celsuis, what is the resultant thermal energy
The total annual runoff from small drainage basin is determined to be approximately normal with a mean of 14.0 in. and a variance of 9.0in^2. Determine the probability that the annual runoff from the basin will be less than 11.0 in. in all three of t..
For the purposes of assessing an economy's growth performance, which is the more important statistic, real GDP or nominal GDP? Why?
Determine the unfactored dead load and live load on a typical interior roof beam, sketch the loading on the beam, and draw the shear and moment diagrams for the beam assuming the beam is simply-supported.
A rapid-mixing basin is to be designed for a water coagulation plant, and the design flow for the basin is 4.0 MGD (million gallons per day). The basin is to be square with a depth equal to 1.25 times the width.
Should Bernard bid for the project assignment? Why or why not? Does Bernard have an unfair advantage over firms having designed the project on which he wants to bid?
What is the specific volume of superheated steam at 42 psia and 340 degrees fahrenheit
A 12-in. square concrete pile is driven into clay to a depth of 40 feet. Unit weight is 115 pcf, and qu is 2000 ksf. Find the pile's design capacity if the factor of safety is 2.
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