問題詳情
38. A gun fired vertically and hits a wooden block and stops inside. The bullet and block have a mass of 0.1 and 0.5 kg, respectively. The velocity of bullet is 100 m/s. How high will the wooden block be raised? (Gravitational acceleration g = 10 m/s2 )
(A) 8 m
(B) 10 m
(C) 12 m
(D) 14 m
(E) 16 m
參考答案
答案：D
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中