kirtiahuja038 kirtiahuja038

14-09-2020
Physics

contestada

distance travelled by a train is 495 km in 4 hours 30 minutes, what is its speed in m/s?

Respuesta :

14-09-2020

Answer:

9.09m/s

Explanation:

Speed = Distance/Time

Distance = 495km

Time = 4 hr 30 min = 4 hr 1/2hr = 4.5 hr

Therefore, Speed = 495/4.5 = 110km/h

Now to convert km/h to m/s

110 x 1000/ 110 x 110

110 cancels out each other, we are now left with

1000/110 = 9.09m/s

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