Question

A A car travels 160 cm in 4 hours
find the speed per hour. !
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Answer 1

Answer:

0.4 m/s

Step-by-step explanation:

Speed = distance / time taken

1 cm = 1 / 100 m

So , 160 cm = 160 / 100 m

= 1.6 m

Speed = 16 m x 1 hour

10 4

Speed = 0.4 m/s

Answer 2

Step-by-step explanation:

Convert 160cm into m

1cm = 1/100 m

160cm = 160/100m= 8/5m

Now,

Covert m into km

1m = 1/1000km

8/5m = 1/1000×8/5km

= 8/5000km

Speed = distance/time

Speed = 8/5000÷4 km/h

= 1/2500km/h

So,

4h = 1/2500 km/h

1h = 1/2500÷4 km/h

1h = 1/10000 km/h

Hope it helps you.

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