Serway‘ๆ‚TC‚Uอ‰^“ฎ‚ฬ–@‘ฅ‚จ‚ๆ‚ั“K—p
ƒvƒŠƒ“ƒg–โ‘่“š‚ฆ

A.
—ช

B.
—ช

C. ‘ๆ‚UอA–โ‘่‚R‚O
(a) 32.7 s-1
(b) 9.80 m/s2
(c) 4.90 m/s2

D. ‘ๆ‚TอA–โ‘่‚S‚S
112 N

E. ‘ๆ‚TอA–โ‘่‚S‚V
37.8 N

F ‘ๆ5อA–โ‘่‚V‚O
(a) 1.02 m/s2
(b) ƒuƒƒbƒN‚PF2.04 NAƒuƒƒbƒN‚QF3.06 NAƒuƒƒbƒN‚RF4.08 N
(c) ‚P‚QŠิF14 NA‚Q‚RŠิF8 N

G. ‘ๆ5อA–โ‘่‚S‚Q
(a) 3.57 m/s2
(b) 26.7 N
(c) 7.14 m/s

–โ‘่‚T‚T
(a) —ช
(b) ’ฃ—อF16.7 NA‰ม‘ฌ“xF0.687 m/s2

–โ‘่‚V‚U
(a) 600 N
(b) 1100 N
(c) —ช