a letter of length is placed between wall and ground as shown in diagram in Philosophy of and Age 4 metre per second find velocity of India one angle made by hot with ground is 37 degree

A5 nc point charge is at the origin and a second 3 nc point charge is on the x-axis at x = 0.8 m. find the magnitude and direction of the electric field on the x-axs at x = 0.2 m. you may express the direction by letting positive field mean the positive x direction

What is the fate of the electrons that interact with a specimen in an electron microscope?

Which planets are visible without a telescope