問題詳情
10. A ballistic pendulum, a device for measuring the speed of a bullet, consists of a block of wood suspended by cords. When the bullet is fired into the block, the block is free to rise. How high does a 5.0 kg block rise when a 12 g bullet traveling at 350 m/s is fired into it?
(A) 5.4 cm,
(B) 24 cm,
(C) 3.6 cm,
(D) 36 cm,
(E) 12cm.
參考答案
答案：99
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中