Traditional Culture Encyclopedia - Tourist attractions - Xiao Xiong's family went on holiday on New Year's Day and drove to the street sign as shown. (1) What do the numbers in the circle symbol mean? (2) signs from the street

Xiao Xiong's family went on holiday on New Year's Day and drove to the street sign as shown. (1) What do the numbers in the circle symbol mean? (2) signs from the street

(1) The number "60" in the circular card is a speed limit sign, which means: the speed limit is 60 km/h;

(2)v = s t

On the premise of observing the traffic rules, the time to drive Xiaohua's father is from this sign to Nanchang:

t= s v = 30km 60km/h =0.5h。

Answer: (1) The speed limit is 60 km/h; (2) Under the premise of observing the traffic rules, it takes 0.5h at the earliest for Xiaohua's father to drive from this sign to Nanchang.