Chapter 4 homework Problems and the solutions.
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4 5 7 9 10 14 15 23 24 25 26 27 34 37 38 44 47 52 64 |
1150 N
a. 7.4 x 10^2 N b. 1.3 x 10^2 N c. 2.8 x 10^2 N d. 0 N a. 196 N b. 98.0 N 294 N 68.4 N -7.80 x 10^2 N 1.3 x 10^4 N I’ll let you come up with the answer to this one. The thief can escape, you need to explain how, supporting your answer mathematically. 2.5 m/s2 (you need to decide if it is positive or negative, which will also give you the direction.) 1.41x 10^3 N a. 19.0 N 0.703 m/s2 @ 237º b. 14.0 N 0.520 m/s2 @ 51.0º I’ll let you come up with the answer to this one. b, 62.2 N c. 199 N d. 99.9 N FB = 6.8 x 103 N FA + FB = 8.9 x 103 N accel = 1.815 m/s2 vel = 2.556 m/s height = 3.93 m a. 0.98 b. 0.91 0.20 1.4 4.1 m a. 2.6 m/s2 b. 6.9 m/s a. 2.2 m/s2 b. 0.64 |