có 3 dây dẫn thẳng song song ,vuông góc với mặt phẳng hình vẻ, có dòng diện I1 I2 I3 chạy qua như hinh ve , Dòng I1 I2 được giữ chặt , Dong I3 có xu hướng

Which statement is best supported by the information in the chart? wave y is moving the fastest. wave x is moving the fastest. all of the waves are moving at the same speed. all of the waves have the same value of wavelengths per second.

Positrons are spontaneously emitted from the nuclei of

Most short-period comets do not have randomly oriented orbits because