A car with an initial speed of accelerates at for . How far does it travel (in m)?

Answer and explanation

Correct answer: D. 60

  1. Step 1: Displacement under constant acceleration is determined by the kinematic equation .
  2. Step 2: Substitute initial velocity , acceleration , and time : .
  3. Step 3: Computing the terms gives .
Answer
60.
Why not the others: 24 computes only ; 96 computes (forgets factor of ); 66 adds rather than subtracts the constant term in the final step.

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