On a futuristic highway, a 15-m-long rocket travels so fast that a red stoplight, with a wavelength of 700 nm, appears to the pilot to be a green light with a wavelength of 520 nm. What is the length of the rocket to an observer standing at the intersection as the rocket speeds through? Hint: The Doppler effect for light was covered in Chapter
Biogeography in a Changing World GEOG 2 Lecture 5: Populations and Disturbance Professor D. Cusack dcusack@geog.ucla.edu Office: 1113 Bunche 1 Midterm in 2 Weeks Thurs. in Computer Labs: Public Affairs 2400 & 2400a • Reviews in lab sections week of the midterm • FRIDAY & THURSDAY sections – please attend any other section on Mon., Tues. or Wed. for reviews. No meetings for Thurs. or Fri. sections. • Chapters 1-6 & 8, plus lab book • **Note: next week labs as normal What factors determine the spatio- temporal distributions of organisms History Chance Physical Biological c