Example 10 The mechanical engineering department has a student team that is designing a formula car for national competition. The time required for the team to assemble the first car is 100 hrs. Their improvement (or learning) is 0.8. Use this information to determine (a) the time required to make the 10th car, (b) the total time required to make the first 10 cars, and (c) the average time to make the first 10 cars. Example 11 The structural engineering design section within the engineering department of a regional electrical utility corporation has developed several standard designs for a group of similar towers. The detailed design for each tower is based on one of the standard designs. A transmission line project involving 50 towers has been approved. The estimated number of engineering hours needed to build the first tower design is 126, Assuming a 95% learning curve, (a) what is the time need to design the eighth andaettower and (b) was the average time to build the first 5 towers? Example 12 It has been determined that a 90% lc applies to a particular assembly operation. It takes 30 min to assemble the 1st unit. How many min are required to produce the 5th unit? The 30th unit