The amount of energy that is estimated to be contained in the nucleus of a grain of sand would October 4, 2022 by 8i9x6 heat a liter of water in a microwave oven for 5 minutes. provide a year’s worth of energy for the United States. equal six dump-truck loads of coal. be the same as one day’s hydroelectric energy output of Niagara Falls. equal the gasoline energy needed for a cross-country trip. See Answer provide a year’s worth of energy for the United States.