nicky2673 nicky2673

09-05-2021
Mathematics

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A runner ran a 400 m race in 1 min 35 sec. Calculate his average speed in m/sec.

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musiclover10045 musiclover10045

09-05-2021

1 minute = 60 seconds

1 minute 35 seconds = 60 + 25 = 95 seconds

Speed = 400 meters / 95 seconds

Speed = 4.21 meters / second

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