A car with an initial speed of accelerates at for . How far does it travel (in m)?
Answer and explanation
Correct answer: A. 50
**
- Step 1: Use the second equation of motion for constant acceleration: , where is initial velocity, is acceleration, and is time.
- Step 2: Substitute , , and : .
- Step 3: Compute each term: .
Answer
50.
Why not the others: '55' is an arithmetic error in applying ; '25' calculates only the distance at initial velocity (), omitting the acceleration displacement; '75' omits the factor of on the acceleration term, calculating .
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