This exam consists of true-false questions worth 2 points each, traditional multiple-choice questions worth 3 points each, and enhanced multiple-choice questions worth 6 points each. The maximum possible score is 93. When the exam was given, the minimum "A" score was 82; the minimum "B" was 70; the minimum "C" was 56; the minimum "D" was 32. The mean was 66.4; the median was 69. Click here to see the formula sheet that came with the exam.

(a) W/4 (b) W/2 (c) W

(a) 2.1 x 10^{7} m/s (b) 6.7 x 10^{6} m/s (c) 8.8 x 10^{5} m/s (d) 3.0 x 10^{6} m/s (e) 5.2 x 10^{7} m/s

(a) V/2 (b) V (c) 2V

(T) True (F) False

(a) 1.2 x 10^{3} m/s (b) 7.2 x 10^{4} m/s (c) 4.1 x 10^{3} m/s (d) 6.1 x 10^{3} m/s (e) 9.8 x 10^{5} m/s

(a) 2 (b) 4 (c) sqrt(2)

(a) N = 113 (b) N = 752 (c) N = 318 (d) N = 598 (e) N = 400

(a) 2N (b) 4N (c) 8N

(a) -3.7 x 10^{4} J (b) -9.0 x 10^{4} J (c) 8.1 x 10^{4} J (d) 6.3 x 10^{5} J (e) 3.7 x 10^{4} J

(a) 29.4 N (b) 37.1 N (c) 45.0 N (d) 19.6 N (e) 23.2 N

(a) T > T_{0} (b) T = T_{0} (c) T < T_{0}

(a) 2.25 x 10^{3} J (b) 5.50 x 10^{3} J (c) 1.20 x 10^{4} J (d) 1.35 x 10^{3} J (e) 7.00 x 10^{2} J

(a) w_{f} = 3.7 rad/s (b) w_{f} = 4.2 rad/s (c) w_{f} = 4.6 rad/s (d) w_{f} = 5.0 rad/s (e) w_{f} = 5.3 rad/s

(a) increases. (b) decreases. (c) stays the same.

(a) 0.7 cm (b) 1.5 cm (c) 4.1 cm (d) 3.8 cm (e) 2.0 cm

(a) slightly higher than the initial level (b) slightly lower than the initial level (c) the same as than the initial level

Water (r_{w} = 1000 kg/m^{3}) flows though a cylindrical pipe of radius R_{1} = 12 cm with a speed of v_{1} = 2 m/s. After a narrowing of the pipe to a smaller radius R_{2}, the speed of the water is measured to be v_{2} = 8 m/s.

What is the radius of the narrow part of the pipe?

(a) R_{2} = 9 cm (b) R_{2} = 8 cm (c) R_{2} = 3 cm (d) R_{2} = 6 cm (e) R_{2} = 4 cm

(a) DP = 3.0 x 10^{4} Pa (b) DP = 4.5 x 10^{4} Pa (c) DP = 2.5 x 10^{4} Pa (d) DP = 4.0 x 10^{4} Pa (e) DP = 1.5 x 10^{4} Pa

(a) increase (b) decrease (c) stay the same