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Physics, 19.04.2021 01:00 Ajaxr2432

The position of a particle moving on the x- axis is x= 7.8 + 9.2t -2.1t³ where x is in meters and t is in seconds. What's it's velocity at t= 3.5 seconds and is the velocity constant or continuously changing?

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The position of a particle moving on the x- axis is x= 7.8 + 9.2t -2.1t³ where x is in meters and t...

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