Hai chất điểm mang điện tích q 1 , q 2 khi đặt gần nhau chúng đẩy nhau. Kết luận nào chắc chắn sai?

Explain what makes a passenger in a turning car slide toward the door. critical thinking

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s. what is the wavelength?