问题描述：
英语翻译
1.wonderr gal gave superguy a 5s head start in a 1km race.if wonder gal ran at 5km/min and superguy ran at 3 km/min,who won the race?
2.a train 1000 m long travels through a 3km tunnel.if 30 seconds elapse from the time the last carriage enters the tunnel until the engine emerges from the other end,find the speed of the train,in km/h.
1.wonderr gal gave superguy a 5s head start in a 1km race.if wonder gal ran at 5km/min and superguy ran at 3 km/min,who won the race?
2.a train 1000 m long travels through a 3km tunnel.if 30 seconds elapse from the time the last carriage enters the tunnel until the engine emerges from the other end,find the speed of the train,in km/h.
问题解答：
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