Editing Difference Between Speed And Velocity
Warning: You are not logged in. Your IP address will be publicly visible if you make any edits. If you log in or create an account, your edits will be attributed to your username, along with other benefits.
The edit can be undone. Please check the comparison below to verify that this is what you want to do, and then save the changes below to finish undoing the edit.
Latest revision | Your text | ||
Line 6: | Line 6: | ||
Speed is a scalar quantity . It has only magnitude . | Velocity is a vector quantity . It has both magnitude and direction . The scalar absolute value (magnitude) of velocity is called "speed" . | Speed is a scalar quantity . It has only magnitude . | Velocity is a vector quantity . It has both magnitude and direction . The scalar absolute value (magnitude) of velocity is called "speed" . | ||
When something moves in a circle and returns to its starting point, its average speed is circumference divided by time taken . | When something moves in a circle and returns to its starting point, its average velocity is zero . | When something moves in a circle and returns to its starting point, its average speed is circumference divided by time taken . | When something moves in a circle and returns to its starting point, its average velocity is zero . | ||
− | Example : If a car is said to travel at 90 km/h, its speed has been specified. | If the car is said to move at 90 km/h to the | + | Example : If a car is said to travel at 90 km/h, its speed has been specified. | If the car is said to move at 90 km/h to the sorth, its velocity has now been specified. |