Question

What is the equation for speed? How is speed different from velocity?

Answer 1

Speed is a scalar quantity that measures how fast an object is moving, while velocity is a vector quantity that includes both the speed and direction of motion.

Step-by-step explanation:

Speed is a scalar quantity that describes how fast an object is moving, regardless of its direction. It is defined as the total distance traveled divided by the time taken. The equation for speed is:

Speed = Distance / Time

Velocity, on the other hand, is a vector quantity that describes the speed and direction of an object. It takes into account both the magnitude (speed) and direction of motion. The equation for velocity is:

Velocity = Displacement / Time

So while speed measures only how fast an object is moving, velocity indicates both the speed and direction of motion.

Answer 2

Speed is the time rate at which an object is moving along a path, while velocity is the rate and direction of an object's movement. Put another way, speed is a scalar value, while velocity is a vector.

The formula for speed is speed = distance ÷ time.

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