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Circle path diameter: 100 meter

Time: 1 round completed in 15 minutes

1 vehicle mass: 1,000 kg , Total Vehicles: 50

Diameter: 100 meterCircumference: 335 meter

Joule? or what?

2. How to convert this to power i.e. motor power required to rotate these vehicles?

3. Is this equation same for "rotational motion", I also saw this equation somewhere for rotational motion where object is moving around its axis. But here object is moving in circular path.

Time require to reach train at required speed: 5 minutesI am confused, can you please let me know how it works.1. First we need to find "Force' in 'N'

... how to find "Power" in "Watt" i.e. what power motor we need to install to run train at required speed?

It means electric motor have to produce 3045 Joule energy in 15 minutes?

Now how to convert 3045 Joule into watt? What's formula of Power?In your last post you said 10 watt, how you calculated, please give me formula?

Is this correct? A 50,000 kg heavy train is keep rotating by 3.38 10.15 watt electric motor? I think there is some problem?