當質量為 m 的子彈，以速度 u 射入質量為 M 的懸掛物體之後，物體會升高 H 的高度，請問 H 高度為何？(A) (1/2g)(m/(m+M))u2 (B) (1/2 g)((m+M)/m

問題詳情

39. 當質量為 m 的子彈，以速度 u 射入質量為 M 的懸掛物體之後，物體會升高 H 的高度，請問 H 高度為何？
(A) (1/2 g)(m/(m+M))u 2
(B) (1/2 g)((m+M)/m)u 2
(C) (1/2 g)(m/(m+M))2u 2
(D) (1/2 g)( (m+M) /m)2u 2

參考答案

答案：C
難度：非常困難0
統計：A(1),B(0),C(0),D(0),E(0)

內容推薦

(A) picture (B)make (C) give (D) take
Don’t you think the color of this car is much darker than _____? (A) that of that car (B)that’s
The use of radar, as well as the two way radio, _____ for state troopers to intercept most speed
以凸透鏡閱讀書報時，應將書報置於何處？ (A)焦點與透鏡之間 (B)焦點處 (C)焦點與二倍焦距之間 (D)二倍焦距之外
As we age, our _____ rate is bound to slow down. Middle-aged people should, therefore, exercise o
一質量為 m 的物體，由傾角為θ的斜面以無摩擦方式下滑。此物體下滑後壓縮一理想彈簧（彈力係數 k），且壓縮量為x，則右圖中的 d 為何?
Few of the gold seekers who flocked to California were experienced miners, _____ did they feel t
The proof that the U.S. Food and Drug Administration requires for the safety and validity of a n
Failure to take preventive measures against pollution may eventually _____ a threat to human surv
John believes that someone _____ into the house while Mary was out shopping. (A) has broken (B)m