rameshmeher808 rameshmeher808

18-11-2020
Physics

contestada

if a body moves with 20 km per hour in first 1 hour 30 km per hour in second one hour 40 kilometre per hour in third one hour what os the average speed of body

Respuesta :

katelynwindon katelynwindon

18-11-2020

Answer:

3pkm per hour

Explanation:

average is 30 km per hour

20 + 30 + 40= 90

90/3= 30

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