Chapter 38A -- Relativity

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Relativistic Momentum The basic conservation laws for momentum and energy can not be violated due to relativity. Newton’s s equation for momentum (mv)) must be changed as follows to account for relativity: Relativistic momentum: p mv 0 1 v c 2 2 m o is the proper mass, , often called the rest mass. . Note that for large values of v, , this equation reduces to Newton’s s equation.
Relativistic Mass If momentum is to be conserved, the relativistic mass m must be consistent with the following equation: Relativistic mass: m m 0 1 v c 2 2 Note that as an object is accelerated by a resultant force, its mass increases, which requires even more force. This means that: The speed of of light is is an ultimate speed!
Page 1 and 2: Chapter 38A - Relativity A PowerPoi
Page 3 and 4: Special Relativity Einstein’s Spe
Page 5 and 6: No Preferred Frame of Reference Wha
Page 7 and 8: Platform as Reference West Frame of
Page 9 and 10: Velocity of Light (Cont.) Platform
Page 11 and 12: Time Measurements Since our measure
Page 13 and 14: Relative Time (Cont.) d c 2d t 0 t
Page 15 and 16: Proper Time The key to applying the
Page 17 and 18: The Twin Paradox Two twins are on E
Page 19 and 20: Length Contraction Since time is af
Page 21: Foreshortening of Objects Note that
Page 25 and 26: Mass and Energy Prior to the theory
Page 27 and 28: Mass and Energy (Cont.) The convers
Page 29 and 30: Example 4: What is the kinetic ener
Page 31 and 32: Summary (Cont.) Relativistic time:
Page 33: CONCLUSION: Chapter 38A Relativity

Chapter 38A -- Relativity

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