Respuesta :
The Final speed of the cart = ( Δ Distance ) / time travelled
Although your question lacks some missing data a general answer is provided within the scope of your question .
Given that:
Speed = Distance / time
Initial speed of the cart = 30 cm/sec
The Final speed of the cart ( V ) = Δ Distance / time
Hence we can conclude that the final speed of the cart will be ( Δ Distance ) / time travelled.
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