物理:Two hockey players on ice skates push off of each other. One has a mass m1 of 63 kilograms.

物理:Two hockey players on ice skates push off of each other. One has a mass m1 of 63 kilograms.

题目
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 momentum?
( ) kg·m/sec
(c) What is the 63 kilogram player's velocity?
( ) m/sec
m2 of 92 kilograms
答案
(b) What is the 63 kilogram player's momentum?
( 220.8 ) kg·m/sec
(c) What is the 63 kilogram player's velocity?
( 3.5 ) m/sec
220.8/63 = 3.5
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