Question

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Answer 1

Answer:

15 m/s

Step-by-step explanation:

Here's your explanation

Distance travelled by vishal = 216 km

Time taken = 4h

Speed = distance /time

216/4 x 5/ 18 = 15 m/s

As we know to convert km/h into m/ s we Multiply with 5/18

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Answer 2

Answer:

given

distance = 216km (216000m)

time. = 4 hour ( 4*60 = 240minute)

speed. = distance/time

216000/240

900km/m