gc textbook chapter 2 Kinematics in One Dimension (id: ba7552f4c)

本题目来源于试卷: gc textbook chapter 2 Kinematics in One Dimension，类别为 IB物理学

[填空题]
Consider the street pattern shown in Fig. 2–42. Each ig9 2)c 0pdf o2znmmb1v o(xau*nte1-gcem.pv f p*q xn(i.rsection has a traffic signal, and the speed limit is (qm.* gp 1fpe.x-n civ50 km/s . Suppose you are driving from the west at the speed limit. When you are 10 m from the first intersection, all the lights turn green. The lights are green for 13 s each.
(a) Calculate the time needed to reach the third stoplight. Can you make it through all three lights without stopping?  ----待选择----yesno 
(b) Another car was stopped at the first light when all the lights turned green. It can accelerate at the rate of $2.0 m/s^2$ to the speed limit. Can the second car make it through all three lights without stopping?  ----待选择----yesno 

参考答案:
空格1: yes  空格2: no 


本题详细解析:

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