A motor vehicle travelled the first third of a distance s at a speed of v, second third at a speed of v, V the last third at a speed of v = 10 kmph, the = 20 kmph and 60 kmph. 3 Determine the mean speed of the vehicle over the entire distance s.
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MY FRIEND YOUR ANSWER IS 18KMPH
Explanation:
A motor vehicle traveled the first third of a distance s at a speed of v1 = 10 kmph, the second third at a speed of v2 = 20 kmph and the last third at a speed of v3 = 60 kmph. Determine the mean speed of the vehicle over the entire distance s 1) 15 kmph 2) 12 kmph 3) 10 kmph 4) 18 kmph
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