arpan45 arpan45
  • 30-07-2018
  • Physics
contestada

solve please.............

solve please class=

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mathecoach
mathecoach mathecoach
  • 30-07-2018

v = 90 km/h = 25 m/s

v = a * t --> a = v/t = (25 m/s)/(3 s) = 8.333 m/s^2

F = m * a = (1200 kg) * (8.333 m/s^2) = 10000 N

s = 1/2 *a * t^2 = 1/2 * (8.333 m/s^2) * (3 s)^2 = 37.50 m

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