Displacement, Velocity, and Acceleration

AP Physics 1· difficulty 1/5

A car accelerates uniformly from rest to 30 m/s30~\text{m/s} in 6.0 s6.0~\text{s}. What is its acceleration?

  • A

    3.0 m/s23.0~\text{m/s}^2

  • B

    30 m/s230~\text{m/s}^2

  • C

    6.0 m/s26.0~\text{m/s}^2

  • D

    5.0 m/s25.0~\text{m/s}^2

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Explanation

a=ΔvΔt=3006.0=5.0 m/s2a = \dfrac{\Delta v}{\Delta t} = \dfrac{30 - 0}{6.0} = 5.0~\text{m/s}^2.

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