Recently Added Physical Formulas

· Moment of Inertia
· Wave 2
· Kinetic & Potential Energy
· Work 2
· Force and Friction

Additional Formulas

· Newton's First Law ( Law of Inertia )
· Newton's Second Law (Law of Resultant Force )
· Newton's Third Law (Law of Actions and Reaction )
· Hooke's Law
· Velocity/Speed
· Motion and Speed
· Velocity and Acceleration
· Acceleration
· Angular Acceleration
· Angular Frequency/Angular Speed

Current Location > Physics Formulas > Mechanics > Velocity/Speed

Velocity/Speed

The general formula for average speed is given by:
v = D/t

Where we have:
D: distance
t: time
v: speed

To determine the velocity at a given time, the following formula can be used:

Where r is position vector.
Note that:

Online Speed Calculator (This will open a new window).
Online Distance Calculator (This will open a new window).