a cup of hot water cannot melt a large block of ice. however, the same block melts when dropped into a lake. this is because

When a large block of ice is added to a hot cup of water then it won't melt the ice because mass of water is less. Therefore, heat released or given out by it will be less. Whereas lake is able to dissolve the large block of ice because lake has large mass and thus it will have more heat

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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 !