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A man drives 100 m in the first 10 s, 90 m in the next 10 s and 120 m in 20 s, so the average speed is-? |
Answer» KNOW that speed=distance/time:.AVERAGE speed=100/10+90/10+120/20=10+9+6=25m/sI HOPE this will HELPFUL to you!!THANK you!! |
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