問題詳情

33. A 10 g bullet moving 1000 m/s strikes and passes through a 2.0 kg block initially at rest, as shown. The bullet emerges from theblock with a speed of 400 m/s. What is the maximum height at which the block will rise above its initial position?


(A) 78 cm
(B) 66 cm
(C) 56 cm
(D) 46 cm
(E) 37 cm

參考答案

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