32.Two identical balls strike normal to a wall with the same velocity respectively. Ball A bounces backwards at the same speed. Ball B stops. Which statement correctly describes the change in momentum of the two balls?
(A) |△pB|>|△pAl
(B) |△pB=|△pA|
(C) |△pBI <I△pAl
(D) △pB=△pA
(E) △pB>△pA

答案:登入後查看
統計: A(1), B(2), C(16), D(0), E(0) #3081272

詳解 (共 1 筆)

#7092172
1. 題目解析 題目中提到兩個相同的球...
(共 918 字,隱藏中)
前往觀看
0
0