Question

S) 20 pts. A freight train that is 700-meters from engine to caboose enters a crossing at a speed of 5 km/hr. The local requirements demand that freight trains do not block traffic for more than 4 minutes If the train accelerated at a constant rate: a) What should be the acceleration so that the caboose passes the crossing just 4 minutes after the engine? b) What will be the speed of the train when the caboose passes the crossing? 1 km/he 0.278 m/s

Answer 1

(a fret hrain are to S. 4min 240 gc) in Lat2 dvt + (a) (2402 (15x 240) + 700 0.012 B2 - V vat (0-012)24) 4.44 M18