[单选题]
Objects A and B both start ad c i7m23fg, lp fs/.1;lb xa(dtcq;h)hkxlu0t rest. They both k637ov9/ yz1jmauxqvj n -:fp (jfxx*accelerate at the same rate. However, object A accelerates for twice the time as object B. What is the final speed of object A compared to that of obj-6:*fuzqx1/3j7jvyo(xf kvn p ma9xj ect B?
A. the same speed
B. twice as fast
C. three times as fast
D. four times as fast
参考答案: B
本题详细解析:
暂无
| 
