Respuestas

2013-11-25T20:23:31+01:00
  • Usuario de Brainly
2013-11-25T21:49:01+01:00
120km/h = 120(5/18)m/s = 100/3 m/s

=> Vf - Vo =  at
      0 - 100/3 = a(10)
           -10/3 m/s² = a

=> Vf² - Vo² = 2a e
     0² - (100/3)² = 2(-10/3)e
.:. e = 500/3 =166.67m aprox