A body moving at 3 m/s accelerates uniformly at 3 m/s² for 8 s. What is its final speed?
Answer and explanation
Correct answer: A. m/s
- Step 1: Use .
- Step 2: m/s.
Answer
m/s.
Why not the others: m/s: The acceleration was added without multiplying by time. m/s: The initial speed was left out. m/s: The initial speed was multiplied by time.
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