英语翻译Lillian (mass 40.0 kg) standing on slippery ice catches her leaping dog (mass 15 kg) moving horizontally at 2.0 m/s.What is the speed of Lilian and her dog after the catch?

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英语翻译Lillian (mass 40.0 kg) standing on slippery ice catches her leaping dog (mass 15 kg) moving horizontally at 2.0 m/s.What is the speed of Lilian and her dog after the catch?

英语翻译Lillian (mass 40.0 kg) standing on slippery ice catches her leaping dog (mass 15 kg) moving horizontally at 2.0 m/s.What is the speed of Lilian and her dog after the catch?
英语翻译
Lillian (mass 40.0 kg) standing on slippery ice catches her leaping dog (mass 15 kg) moving horizontally at 2.0 m/s.What is the speed of Lilian and her dog after the catch?

英语翻译Lillian (mass 40.0 kg) standing on slippery ice catches her leaping dog (mass 15 kg) moving horizontally at 2.0 m/s.What is the speed of Lilian and her dog after the catch?
莉莉安（40kg）在光滑的冰面上接住了她的正在以2m/s的速度行进的狗（15KG）.莉莉安在借助她的狗之后速度是多少?
40*0+15*2=X*(15+40)
X=0.55m/s

莉丽安(质量40公斤)站在光滑的冰面上，她的狗(质量15公斤)以每秒2米的速度跳跃前进。如果莉丽安牵住她的狗，牵住后他们的速度是多少。

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