Week 4 Q&A Problem 1. Two trains are sitting at the station. At noon, Train A leaves the station heading directly north at 80 mph. At 2 PM, Train B leaves the station heading directly west at 100 mph. How fast is the distance between the two trains changing at 5 PM?\fProblem 5. Find all 1*: that satisfy the Mean Value Theorem for Integral}; for the function r] = 1:3 332 J: + T on the interval [-315]. Problem 3. A solid is formed by adjoining two hemispheres to the ends of a right circular cylinder. Then total volume of the solid is 14 cubic centimeters. Find the radius of the cylinder that produces the minimum surface area