Question

A car covers a distance of 10km in 5 min calculate the speed of car in a)km/h b)m/s-1

Answer 1

Answer:

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Answer 2

Answer:

a) Distance travelled = 10km

= 10 × 1000 m

= 10 × 1000 × 100cm

= 1000000cm

Time taken = 5 minutes

= 5 × 60

= 300s

speed = {distance travelled}/{time taken}

speed = {1000000}/{300}

= 3333cm/s

(b) Distance travelled = 10km

= 10 × 1000m

= 10000m

Time taken = 5 minutes

= 5× 60

= 300 s

speed = {distance travelled}/{time taken}

speed = {10000}/{300} = 33 m/s