Question

find speed in meter/second if given distance= 17 1/2 km and time= 5 hours​

Answer 1

Speed=DistancexTime

S=17x2+1/2x5 km/h

S=35/2x5 km/h

S=175/2 km/h

S=175/2x18/5 m/s

S=35x9 m/s

S=315 m/s

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Answer 2

The speed of the body is  1 m/s approx.

Step-by-step explanation:

It is stated that,

Distance travelled by the body = 17 whole of 1/2 km

                                                  = 35/2 km

Time taken by the body to cover the distance = 5 hours

∴ Speed = distance travelled / time taken

              = (35/2) / 5

              = 35/(2*5)

              = 7/2 km/hr

Hence the speed in m/s = (7/2) * (5/18)

                                       = (7*5)/(2*18)

                                      = 35/36

                                     = 0.97222222222

                                    = 1 m/s approx.

∴ The speed of the body is  1 m/s approx.