Question

A car moves a distance of 200m.it covers first half of distance at speed 60km/hr and second half at speed v if average speed is 40km/ht the value of v is

Answer 1

HEYA!
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✴AVERAGE SPEED ✴
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$= > \frac{60 + v}{2} = 40 \\ \\ = > 60 + v = 80 \\ \\ = > v = 20$
Hence the speed is 20 km/hr.

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Answer 2

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