試卷名稱:112年 - 112 國立中山大學_學士後醫學系招生考試:物理及化學#113601
年份:112年
科目:學士後西醫物理及化學
32. A cannonball of mass 10.0 kg is fired upward. The cannonball explodes into 3 pieces when it reaches the maximum height. At the moment of explosion, a 5-kg piece carries velocity
while another 4-kg piece carries velocity
. What is the velocity
of the third piece?
(A) Cannot be determined without knowing the energy provided by the explosion
(B)
(C)
(D)
(E)