Answers to even numbered homework:

NOTE: These are based on my own quick calculations, not from a reviewed answer key. Errors are possible. Send an email if you really think the answer is something else and I’ll double check.

Serway And Faughn 7^th Ed:

Ch 4:

2 25 N

6 444 sec (7.4 min)

8 312 N

18 Angle = 60.5 degrees, W₂ = 171 N

34a T = 36.75N

34b a = 2.45 m/s²

34c d = 1.23 m

50a F = 18.4 N

50b N = 25.8 N

66 490 N

68 a = 0.69 m/s²