物理：Two hockey players on ice skates push off of each other. One has a mass m1 of 63 kilograms.(a) If the 92 kilogram player moves back with a velocity of 2.4 m/sec, what is his momentum? （220.8）kg·m/sec(b) What is the 63 kilogram player's

物理：Two hockey players on ice skates push off of each other. One has a mass m1 of 63 kilograms.(a) If the 92 kilogram player moves back with a velocity of 2.4 m/sec, what is his momentum? （220.8）kg·m/sec(b) What is the 63 kilogram player's he wants to be a famous hockey player.to a game played with a hockey stick by two teams of six players ..啥? ice hockey hockey是什么意思 关于 Ice Hockey is a game played between two teams 中的played所以这个played到底是什么意思? I have two hobbies.One is collecting stamps,___is playing hockey.A.the other Banother C.other 翻译：The son of two great basketball player. He is the----of two great basketball player THE HOCKEY EXPERIMENT怎么样 hockey怎么读 hockey怎么读 hockey的音标 什么是hockey pockey? hockey什么意思 ice hockey是什么意思 Field hockey的意思 hockey regularly是什么意思