PHYSICS 180a, Fall 2000 Exam Reviews

Answers to Even-Numbered Exam 1 Review Problems

• 3.6E: 13m, 7.5m
• 3.16E: 8i^ + 2j^, 8.2m, 14deg, 2i^-6j^, 6.3m, -72deg
• 3.18P: 5.0m, -37deg, 10m, 53deg, 11m, 80deg, 11m, 260deg, opposite
• PS4.72*: 5.8m/s, 16.7m, (5.8,13.6)m/s, -67deg
• PS4.86*: 3.03s, 758m, 29.7m/s
• 6.12P*: 126.9N, 130N, 46N, 17N
• 7.30E*: 270,000W
• PS7.52*: +.05m, 5J
• 8.58P*: 5.5m/s, 5.4m