Se produce un campo eléctrico uniforme entre dos placas planas cuya separación es de 8 cm. Si están conectadas a una batería de 3500 Volts. ¿Cuál es la magnitud de la fuerza electrostática que experimenta un protón colocado en dicho campo? A)
F = 15 X 10-15 N

B)
F = 12 X 10-15 N

C)
F = 09 X 10-15 N

D)
F = 07 X 10-15 N

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.

Does the earth behave like a magnet how do you prove it

Definition: this is the weighted average of all of the isotopes of an element.