1. 1 6 23101
32 40 50
---------------------------
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2
1 4
X
1.
A B C D E F G
B = 0.857
m/s E
= 1.44 m/s
B
E =
------------------------------------------------
2.29 m/s 0.58 m/s
1.23 m/s 1.68 m/s
2.
3.
4.