RCA 3 Which of the following forms of energy can be used to generate electricity through the use of photovoltaic cells? A. hydroelectric energy B. geothermal energy C. nuclear energy​

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is

Asmall electric heater, immersed in 80g of water in a calorimeter of 40j/k raises the temperature from 10.5 degree celsius to 25 degree celsius in 12 minutes. using the same apparatus with 50g of oil instead of water, it is found that the temperature of oil rises from 7 degree celsius to 27 degree celsius in 10 minutes. find specific heat capacity of the oil.