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An object covers a distance of $d = 20 \text{ m}$ in $t = 4 \text{ s}$. What is its average speed?
- A.$2 \text{ m/s}$
- B.$4 \text{ m/s}$
- C.$5 \text{ m/s}$
- D.$8 \text{ m/s}$
Show correct answer & step-by-step solution
Correct answer: C — $5 \text{ m/s}$
Solution
Average speed is defined as . Thus, .
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