[填空题]
A 95-m-long train begins uniform accelerf7*z,plwt4 to ation fromb,7 .axkx 9kcq,vow0r rest. The front of the train has a speed of 25 m/s when it passes a railway worker who is standing 180 m from where the front of the train started. What vb7,xakx0.q r o9k, wcwill be the speed of the last car as it passes the worker? (See Fig. 2–38.) m/s
