A vehicle is stuck on the railroad tracks as a 430,000 lb locomotive is approaching with a...

A vehicle is stuck on the railroad tracks as a 430,000 lb locomotive is approaching with a speed of 75 mph. As soon as the problem is detected, the locomotive’s emergency brakes are activated, locking the wheels and causing the locomotive to slide.

Figure P3.20

Continue Prob. 3.19 and determine the time required to stop the locomotive.