Si un vector tiene una dirección de 2300 a partir del eje x positivo, ¿Qué signos tendrán sus componentes x y y? Si la la razón de R/R, es negativa. ¿cuáles son los ángulos posibles de R, medidos a partir del eje x positivo?

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

In which of the following is positive work done by a person on a suitcase

Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.