Test 1

Test 2

Test 3

Final from a previous PHYS 203 course. The files contain no figures.

Solutions to homework problems:

Chapter 2. Kinetics in 1D

Problem 2: (a) 7.07km, (b)2.12km, (c) 45 north of east.

Problem 4: 9.1

Problem 8: 0.81 km

problem 12: 8.18 m/s2

Problem 16: 7.1 m/s due south

Problem 22: (a) 1.6 m/s2 (b) 2.0 x 10 m

Problem 28: 96.9 m/s

Problem 44: (a) -7.9 m/s (b) 3.2 m

Problem 46: 22 m

Problem 48: 13.2 m/s

Chapter 3. Kinetics in 2D

Problem 2: 27.4 m

Problem 6: 11 m/s, 13 m/s

Problem 8: (a) 2.47 m/s2 (b) 2.24 m/s2

Problem 12: (a) 6490 m/s (b) 7070 m/s

Problem 16: 5.1 m

Problem 26: 0.844 m

Problem 32: (a) -141 m/s (b) 66 below the horizon

Problem 48: 32.1 s

Problem 56: 2.3 m/s

Chapter 4. Forces and Newtons Law of Motion

Problem 4: 4.1 x 10^-2s

Problem 20: 4.2 m/s2

Problem 24: 4.77 x 10^20 N

Problem 38: 2.9 m/s2

Chapter 5. Dynamics of Uniform Circular Motion

Problem 2: 0.79 m/s2

Problem 10: 10,600 rev/min

Problem 30: 27.5 days

Chapter 6. Work and Energy

Problem 4: (a) -3.38 x 10^3 J

Problem 18: 9 x 10^3 m/s

Problem 20: 0.13

Problem 26: (a) 27 J (b) 36 J (c) 8.8 J (d) -W

Problem 36: (a) 52.2 J (B) 48.8 m/s

Problem 48: (a) 16.5 m (b) 2.9 N

Chapter 7. Impulse and Momentum

Problem 2: 165 N, upward

Problem 4: -11,600 N

Problem 8: (a) 2.4 x 10^5 N (b) 4.8 x 10^3 N (c) stiff leg 2.4x 10^5 N bent knees 5.5 x 10^3 N

Problem 26: (a) -0.432 m/s (b) 1.82 m/s

Problem 30: (a) 3.4 m/s (b) 2.6 m/s

Chapter 8. Rotational Kinematics

Problem 2: 35 rad/s, 21 rad

Problem 16: 0.125 s

Problem 20: (a) 4.6 x 10^3 rad (b) 2.00 x 10^2 rad/s2

Problem 24: 3.37 s

Problem 30: 0.18 m

Problem 34: 4.63 m/s

Problem 48: 8.6 x 10^3 m

Chapter 9. Rotational Dynamics

Problem 2: 2.1 x 10^2 N

Problem 12: 0.70 m

Problem 24: (a) 212 N (b) 212 N (c) 5.00 x 10^2 N

Problem 44: (a) 2.57 X 10^29 J (b) 2.67 x 10^33 J

Problem 50: 1.3 m/s

Problem 52: 7.11 rad/s

Problem 54: 0.037 rad/s

Chapter 10. Simple Harmonic Motion and Elasticity

Problem 26: 6.55 m/s

Chapter 11. Fluids

Problem 10:

Problem 22: 2.9 x 10^4 Pa

Problem 38: 250 kg/m^3

Problem 46: 7.9 x 10^-4 m^3

Problem 62: (a) 32.8 m/s (b) 54.9 m

Problem 68: (a) v2=sq. root 2gy (b) 0 m (c) Pa=Po-pg(y+h)

Chapter 12. Temperature and Heat

Problem 40: 2500 J/(kg x C)

Problem 54: 0.42 kg

Problem 84: 19 C

Chapter 13. The Transfer of Heat

Problem 2: (a) 8.6 x 10^6 J (b) $0.24

Problem 6: 4.8

Problem 16: (a) 6.3 J/s (b) 4.8 J/s

Chapter 14. The Ideal Gas Law and Kinetic Theory

Problem 2: (a) 1.29 x 10^21 (b) 5.8 x 10^20

Problem 14: 67.0 m^3

Problem 16: 0.140 m

Problem 28: 414 m/s

Problem 34: 327 m/s

Chapter 15. Thermodynamics

Problem 8: 4.5 x 10^-3 m^3

Problem 40: 65 J

Problem 42: 44

Problem 46: 3000 J

Problem 60: 13

Problem 62: 21