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The driver of the sports car applies his rear brakes and causes the tires to slip. If the normal force on each reartire is 400 lb and the coefficient of kinetic friction between the tires and the pavement is µ k = 0.5, determine the average shear stress developed by the friction force on the tires. Assume the rubber of the tires is flexible and each tire is filled with an air pressure of 32 psi.
A current density of 0.1 A>cm2 is applied to the iron in an iron-zinc corrosion cell. Calculate the weight loss of zinc per hour if the zinc has a surface area of 10 cm2 and the iron has a surface area of 100 cm2
Four pumps are to be used in 0.5-m diameter wells at the four corners of the site. Determine the required pumping rate. The aquifer has T = 1600 m^2/day and the wells each have a radius of influence of 600 m.
Calculate the Euler buckling load for a mild steel rod of length 5m and diameter 25mm when pinned at each end and axially loaded. If this rod is to be used again with an initially straight axis, determine the maximum permissible
find depth of the beam if the max
A new sports car has a drag coefficient of .30 and a frontal area of 21 ft^2, and is traveling at 110 mi/h. How much power is required to overcome aerodynamic drag if p=.002378 slugs/ft^3?
Find the area of the parallelogram with vertices: P(0,0,0), Q(-2,4,0), R(-2,2,-2), S(-4,6,-2).
Corners successively along the E-W lines
What is the probability that a random sample of 20 time intervals between eruptions has a mean longer than 95 minutes?
The coefficient of rolling resistance can be taken to be a constant for all speeds, equal to 0.008. If the cyclist is coasting down a 6% grade, what is the maximum speed attained
A wheel rolls to the right with an angular velocity of 2 rad/s while slowing down at a rate of 3 rad/s^2.. knowing the wheel rolls without sliding and ignoring the effect of gravity
A moist soil sample wights 346g.After drying at 105 degree celsius it then wights 284g.the specific gravity of the mass and of the soil is 1.86 and 2.70.
A corporation issues a new 10 year bond that has a coupon rate of 4.65% with quarterly dividend payments. Alex purchases 200 of these bonds at a price of $98.75, for a total investment of $19,750. Assuming he holds them to maturity, what will be h..
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