問題詳情
13. A 1.2 kg croquet ball moving at t2.0 m/s is struck from bebind by the impulse force shown in Figure 7. What is the final velocity of the croquet ball?
(A) 0.3 m s-1,
(B) 10.3 m s-1,
(C) 20.3 m s-1,
(D) 30.3 m s-1,
(E) 40.3 m s-1,
參考答案
答案：99
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中