# science

A car travels West for 20min at 80km/hr and in direction 45NW at 30km/hr for 6min. Calculate the Total distance covered/ displacement of the car/ average speed/ average velocity.

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3. π 34
1. west =(1/3)hour*80 + (1/10)hr* 30 * cos 45

north = (1/10)*30 * sin 45

distance = sqrt(north^2+west^2)

displacement = distance at angle T north of west where tan T = north/west

speed = distance/ (1/3+1/10)

velocity = speed at angle T

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posted by Damon

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