An army vehicle of mass 1000 kg is movin...

An army vehicle of mass 1000 kg is moving with a velocity of `10 m//s` and is acted upon by a forward force of 1000 N due to the engine and a retarding force of 500 N due to friction. What will be its velocity after 10 s

`5 m//s`

`15 m//s`

`10 m//s`

`20 m//s`

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