In a thundercloud there may be electric charges of +44.0 c near the top of the cloud and -44.0 c near the bottom of the cloud. these charges are separated by 1.60 km. what is the electric force on the top charge?

Why is metal often used for cooking pan?

Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=

Use the drop-down menus to answer each question. which line represents the movement of a cart with a constant acceleration? a which line represents the movement of a cart with a constant velocity? c which lines represents a cart with no velocity or acceleration? b