ju4jiliyafan ju4jiliyafan
  • 24-04-2017
  • Physics
contestada

A car of mass 1330 kg is traveling at 28.0 m/s. the driver applies the brakes to bring the car to rest in 5.6 s. calculate the force of the brakes on the car.

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mathssydney
mathssydney mathssydney
  • 24-04-2017
F=ma
a=v-u / t = 0-28/5.6= -5
F=ma=1330*(-5) = -6650 N
Answer: force of the breaks is 6650 N, direction opposite to direction of movement
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