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Limit problem Velocity. Suppose that while waiting for a big wave, a surfer is being propelled toward the beach?
2015-09-21 10:36 pm
回答 (1)
2015-09-23 11:08 am
✔ 最佳答案
v(1/4)= lim t→1/4 df/dt
= lim t→1/4 20t
= 20(1/4)
= 5 m/sec
收錄日期: 2021-05-02 14:06:53
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150921143645AAbRW1M