The Learning Edge

# Daily Archive: January 21, 2016

## Displacement, Time, and Average Velocity – Worked Example – College Physics for Beginners

Free Resources at JJtheTutor.com Starting from a pillar, you run 200 m east (the +x-direction) at an average speed of 5.0 m/s, and then run 280 m west at an average speed of 4.0 m/s to a post. Calculate (a) your average speed from pillar to post and (b) your average velocity from pillar to […]

## PHYSICS – MATHEMATICS FOR PHYSICS – Introduction to Scalar & Vector – Expert Speak – Crack IIT JEE

IIT JEE – PHYSICS – MATHEMATICS FOR PHYSICS – Introduction to Scalar & Vector. Scalar – Physical quantities which have magnitude only. Eg: Speed, Distance, Mass etc. Vector – Physical quantities which have magnitude as well as direction. Eg: Displacement, Velocity, Acceleration, Force, Momentum etc. This video takes you deeper into the section of vectors […]

## Urinary System, part 1: Crash Course A&P #38

Even though you probably don’t choose to spend a lot of time thinking about it, your pee is kind of a big deal. Today we’re talking about the anatomy of your urinary system, and how your kidneys filter metabolic waste and balance salt and water concentrations in the blood. We’ll cover how nephrons use glomerular […]