Mixedemotions2514 Mixedemotions2514
  • 16-10-2018
  • Physics
contestada

The speed of a car is decreasing uniformly from 35 m/s to 15 m/s in 4 s. What is the car's acceleration

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taibamah taibamah
  • 16-10-2018

Acceleration = Δv /Δt                   As Δ v = v₂ -v₁

                     = 35ms⁻¹ - 15ms⁻¹  /  4s

                       =  20 ms⁻¹ / 4s

                      =    5 ms⁻²

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