Chapter 38A -- Relativity

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Constant Velocity of Light Platform v = 30 m/s to right relative to ground. c c c c 10 m/s 10 m/s 20 m/s 40 m/s Velocities observed inside car Velocities observed from outside car The light from two flashlights and the two balls travel in opposite directions. . The observed velocities of the ball differ, but the speed of light is independent of direction.
Velocity of Light (Cont.) Platform moves 30 m/s to right relative to boy. c c 30 Each observer sees m/s c = 3 x 10 8 m/s 10 m/s 10 m/s m/s Outside observer sees very different velocities for balls. The velocity of light is unaffected by relative motion and is exactly equal to: c = 2.99792458 x 10 8 m/s
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: Platform as Reference West Frame of
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 and 22: Foreshortening of Objects Note that
Page 23 and 24: Relativistic Mass If momentum is to
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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