studdedforlife
studdedforlife studdedforlife
  • 24-11-2018
  • Physics
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A rollercoaster car reaches a velocity of 2 m/s at the top of a hill and begins to accelerate down the hill. 4.5 seconds later it has reached the bottom of the hill and is traveling with a velocity of 11 m/s. What is the rollercoaster car's acceleration

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Emmapetrie8
Emmapetrie8 Emmapetrie8
  • 24-11-2018
A=v-u/t a=11-2/4.5 A=2ms^-2
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