SerwayζVΝdΖGlM[
vgβθ¦
A.
(a) 9 J
(b) - 9 J
B.
(a) -18 J
(b) 0.25 J
C.
¬³ m/s
£ 0.1 m
D. ζVΝ
βθRU
60 J
E.
G. ζVΝ
βθPV
(a) 16 J
(b) 36.86x
βθPX
32 J
βθQU
-12 J
βθQX
1.59 kJ
βθSS
(a) ΆΦ0.79 m/s
(b) ΆΦ0.53 m/s
βθSU
1.16x10-1 m