Search over 10,000 free study notes

Pi radians is equal to 180 degrees . Radians are a unit of measurement for angles, just like degrees are, and pi is just the number of radians that makes up that angle. 180 divided by 3 is 60 so we get c...

If the projectile is released at an angle, it will have 2 components: 1. horizontal component of motion and 2. vertical component Horizontally, the projectile is assumed to travel at a constant speed (ie ...

The colour of light is determined by its wavelength. White light is made up of electromagnetic radiation (photons) that spans the range 400nm - 700nm, the visible part of the E.M. spectrum. When white lig...

We write a hyphen in adverbs when they start with по- and finish with -и. For example when we want to say "In Russian" (по-русски) we should use a hyphen. There is an other case when se must use...

Passato remoto is a past tense. It is used when we want to talk about something that happened a long time ago and do not have any connection with the present. This tense can be usually seen in written lan...