Answers for PSC 9
Answers for PSC 9
1) F HUM = 4 FLAD
2) a) v = 14. 9 m/s, b) frequency = 31. 6 rpm
3) a) minimum µ = 0. 290, b) v = 14. 4 m/s
4) a) T = 6. 19 s/rev, b) no, from formula angle does NOT depend on mass
5) Tangle = 1410 N, Thoriz = 8352N
6) a) Vearth = 2. 98 x 104 m/s, b) aearth = 5. 94 x 10-3 m/s, c) F = 3. 55 x 1022 N
7) (This is known as Newton's Cannon) v = 7. 91 x 103 m/s
8) h = 3. 59 x 107 m
9) a) FBD, b) formula
10) , and ,
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