Question 1: Suppose that you have just purchased a Ferrari F355 coupe and you want to know whether you can use your set of SAE (U.S. Customary Units) wenches to work on it. You have wrenches with widths w = 1/4 in, 1/2 in, 3/4 in. and 1 in, and the car has nuts with dimensions n = 5 mm, 10 mm, 15 mm, 20 mm, and 25 mm. Defining a wrench to fit if w is no more than 2% larger than n, which of your wenches can you use?

Question 2: In the 2006 Winter Olympics, the men's 15-km cross-country skiing race was won by Andrus Veerpalu of Estonia in a time of 38 minutes, 1.3 seconds. Determine his average speed (the distance traveled divided by the tune required) to three significant digits (a) in km/h: (b) in mi/h.

Question 3: Determine the cross-sectional area of the beam (a) in m²: (b) in in².

Question 4: A horsepower is 550 ft-Ib/s. A watt is 1 N-m/s. Determine how many watts are generated by the engines of the passenger jet if they are producing 7000 horsepower.