If the instantaneous velocity of the particle is (vectors) v=2i - 2j, through which quadrant is the particle moving at that instant if it is travelling clockwise around the circle? ​

The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm(red) and 486 nm (blue). light from a hydrogen lamp illuminates a diffraction grating with 520lines/mm , and the light is observed on a screen 1.5m behind the grating. part a what is the distance between the first-order red and blue fringes? express your answer to two significant figures and include the appropriate units.

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?

Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil