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. An object moves 18 m in the first 3 s, 22 m in the next 3 s and 14 m in the last 3 s. What is its average speed? |
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Answer» Answer: 9m/sec Explanation: AVERAGE speed = total distance travelled/ total TIME TAKEN. (18+22+14)m/3+3+3 sec 54m/9sec 9m/sec |
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