An ore cart of mass 1200 kg is rolling at a speed of 10.8 m/s across a flat surface. A crane dunks 496 kg of ore into the cart directly above it. How fast does the cart move after being loaded with ore? Assume that frictional forces with the flat surface are negligible.

2.77 x 10^-3 its for plato user 

Answer: 1.4 seconds which is the third optionexplanation: current is defined as the flow of charge per timetherefore, the equation that relates current, charge and time can be expressed as follows: i = δq / δtwhere: i is the current given = 1.8 ampereδq is the charge given = 2.5 coulombδt is the time required for the flow of the given charges to give the 1.8 ampere.substitute with the givens in the above equation to get the time as follows: 1.8 = 2.5 / δtδt = 2.5 / 1.8 = 1.38888 which is approximately 1.4 secondshope this was !

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