Science, asked by Gurmeet111, 1 year ago

a car runs at 54km/hr in first 20 seconds,36km/hr for nest 30 seconds and finally 18km/hr next 10 seconds. Find the average speed

Answers

Answered by rohitrdc12345

1

(54+36+18)/(10+20+30)

=108/60

=1.8 km/s

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