Question

A person travelling on a straight line without changing its direction moves with a uniform speed v1 for half distance and next half distance he covers with uniform speed v2 find average speed

Answer 1

Formula for average speed :

$av. \: speed = \frac{total \: distance \: travelled}{total \: time \: taken}$

$av. \: speed = \: \frac{v1 + v2}{t}$

hope it help (✯ᴗ✯)

Answer 2

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