Las placas descritas en el problema 25.27 se encuentran en el vacío se suelta en la placa negativa y cae libremente en la placa positiva

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg. how much energy e must be supplied to the device? express your answer in joules.

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?