Question

Shankar travelled a distance of 216 km by car in 4 hours. Find his speed in metres per second.

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Answer 1

Step-by-step explanation:

Shankar travel

216 km in 4 hrs

i.e 216 × 1000m in 4 × 60 × 60 second (1KM = 1000 METRE AND 1HR = 60MIN=60SEC)

→216000m in 14400sec

so in 1 sec he travels 216000metres

14400

Hence his speed in m/s = 15 m/s

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Answer 2

Answer:

So, the answer is 15 m/s

Explanation:

Distance= 216 km

Time= 4 hours

Speed= ?

Speed= Distance/Time

Speed= 216÷4

Speed= 54km/hr

Speed= 54 x 5/18

Speed= 15 m/s