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13-08-2022
Physics

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If a train travel from Addis Ababa to Dire Dawa at a constant velocity of 400Km/hr and the to Djibouti at a constant velocity of V. if the average velocity of 520Km/hr then what is the value of V?----------------

Respuesta :

DanielEgert DanielEgert

13-08-2022

Answer:

640 km/h

Explanation:

I havent studied this in a long time but i would assume that

(400 + V)/2 = average

= 520 km/h

times both sides by 2

400 + V = 1040

V =640

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