1.What percent increase in shear force would be experience on the flat sides of a 40 ft long truck trailer as the truck speed increases from 65 mph to 75 mph? Kinematic viscosity of the air is 1.6x10^4 ft^2/s.
2.Determine the number of gallons of paint needed to paint the outside surface of the water-supply tank, which consists of a hemispherical bottom, cylindrical sides, and a conical top. Each gallon of paint can cover 250 ft^2
3. If 3% of the electric bulbs manufactured by a company are defective, Find the probability that in a sample of 100 bulbs,
(a) 0 bulbs will be defective (b) 1 bulbs will be defective
(c) 2 bulbs will be defective (d) 3 bulbs will be defective
(e) 4 bulbs will be defective (f) 5 bulbs will be defective
4.Find the probability that 200 tosses of a coin ill result in,
(a) between 80 and 120 heads inclusive (b) Less than 90 heads
(c) Less than 85 or more than 115 heads (d) exactly 100 heads