Cual es la magnitud de la suma de los momentos ejercidos por los dos pares sobre el dispositivo en forma de T que se muestra en la figura?

where are the vectors ?

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.