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A mechanic applies the horizontal 100-N force perpendicular to the wrench as indicated in the figure. Determine the moment of this force about the bolt center O. The wrench centerline lies in the x-y plane.
The combined weight of a bicycle and its rider is 190 lbs, and when the rider is on the bike, their frontal area is 5.4 square feet, with a drag coefficient of 1.2. The coefficient of rolling resistance can be taken to be a constant for all speeds
Determine the internal energy change Δu of hydrogen, in kJ/kg
If the elastic limit of steel is 5.0 10^8 Pa, determine the minimum diameter a steel wire can have if it is to support a 69-kg circus performer without its elastic limit being exceeded.
Consider again the proposed water treatment plant for a city of 100,000 people where the maximum daily water usage rate is 99 X 106 L/d. Determine (a) the number of kilograms of chlorine needed per day and (b) the capacity of the contact tank.
To determine the distance between P and B, a point Q is marked on the ground and the following measurements are made: The distance between PQ is 230.0 ft, the angle QPB is 53°30', and the angle PQB is 80°15'.
A gas solution has the following composition, Oxygen = 35 g Nitrogen = 40 g Neon = 25 g Calculate mass fractions of all components. If you remove Neon, how much you have to remove to reduce mass fraction to 0.1
What are the mechanisms responsible for this effect?
Estimate the buoyant force on 10'x10' by 2' deep balsa (SG=0.2) raft with you in it. How deep is it in the water? Be sure to draw well leveled schematic of the system.
A soil proposed for a compacted fill contains 38% fines and 62% coarse materials by dry weight. when the coars fraction has w=2.0%, its affinity of water is completely satisfied( that is,it is saturated but surface dry).
A suburban street receives storm water runoff at a rate of 2.0 L/m-s (one each side). the street has a slope of .8 percent and a cross slope of 2 percent, n = .013. If the street is 10 m wide and can be totally covered by water (depth = 0 at the midp..
The bar is confined to move along the vertical and inclined planes. The velocity of the roller at A is Va=5.2 ft/s when theta=40 . a)Determine the bar's angular velocity when theta=40. b)Determine the velocity of roller when theta=40.
A 6.6 mA current is flowing through a 47 kilo-Ohm, 5% tolerance, 2-watt resistor. If the resistor values are uniformly distributed, how many resistors out of a package of 100 would you expect to burn up
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