Learn what the kinematic equations are and how you can use them to analyze scenarios involving constant acceleration.

The speed v of a wave is constant for any unchanging medium, so frequency and wavelength are inversely proportional. The wave speed equation is not a new equation, it’s just a different way …

Speed (or rate, r) is a scalar quantity that measures the distance traveled (d) over the change in time (Δt), represented by the equation r = d/Δt. Created by Sal Khan.

Practice using the wave speed equation for word problems to find the frequency and wavelength of a wave.

Rate of change in position, or speed, is equal to distance traveled divided by time. To solve for time, divide the distance traveled by the rate. For example, if Cole drives his car 45 km per …

Learn how to find an object’s instantaneous speed or velocity in three ways - by using calculus, by looking at the slope of a given point on a graph of an object’s rate vs. time, or by using …

Review the key concepts, equations, and skills for uniform circular motion, including centripetal acceleration and the difference between linear and angular velocity.

In this video David shows how to determine the equation of a wave, how that equation works, and what the equation represents.

Average speed is the distance traveled divided by elapsed time. So, while the magnitudes of the instantaneous speed and velocity are always identical, the magnitudes of average speed and …

Kinetic energy depends on both mass and speed, but the dependence on speed is stronger. This estimation of kinetic energy can be quantified in an equation that lets us calculate kinetic …