Answers to Problem Set 8

• Ch. 12
• Ch. 13

Answers for the even numbered problems:

12-12. v = [ 10 g (H-h)/7]^1/2 = 7.48 m/s (when sphere leaves track); d = [ 20 h (H-h)/7]^1/2 = 4.78 m.

12-32. L = 2.5 x 10¹¹ kg m²/s.

13-24. This is a proof, so you already know m = (m₁ m₂)^1/2.

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Last modified 23 March, 2000. © Gregory C. Sloan.