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更多“同上题，求各分波的相移δl，并和刚球散射的结果比较．”相关的问题
(1)
第2题
上题中，设物块A、B撞击后物块A弹回，历时3s而停止。试求B在撞击后向右运动的时间（物A碰撞前速度同上
上题中，设物块A、B撞击后物块A弹回，历时3s而停止。试求B在撞击后向右运动的时间(物A碰撞前速度同上题)。
第11题
A—make a contract B—originals of the contract C—copies of the contract D—draft a cont
A—make a contract
B—originals of the contract
C—copies of the contract
D—draft a contract
E—a written contract
F—contract terms (or contract clause)
G—contract life
H—to bring a contract into effect
I—break the contract
J—cease to be in effect
K—cancel the contract
L—alter the contract
M—contractual dispute
N—contract parties
O—contractual liability/obligation
P—contractual dispute
Q—contract law
36.()起草合同 ()失效
37.()合同上的争议 ()合同法
38.()合同规定的义务 ()撤消合同
39.()使合同生效 ()修改合同
40.()书面合同 ()合同条款
