一個輪胎在水平路面上以無滑動方式向前滾動，如圖(一)所示，此輪胎中心點的速度為v 。請問在P點的瞬時速度是？(A)(B) -(C) 0(D) 2

問題詳情

40. 一個輪胎在水平路面上以無滑動方式向前滾動，如圖(一)所示，此輪胎中心點的速度為v 。請問在P點的瞬時速度是？
(A)
(B) -
(C) 0
(D) 2

參考答案

答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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