School Physics 1

Speed

Speed is a measure of how quickly an object is moving. It is defined as the distance traveled by an object per unit of time. Speed is a scalar quantity, meaning that it has only magnitude and no direction. It is typically measured in meters per second (m/s).

For example, if a car is traveling at a speed of 100 Kilometre per hour (Km/h), it is moving at a rate of 100 kilometres per hour in some direction. If the car is traveling 100 Km/h north, then its velocity is 100 Km/h north. If the car is traveling 100 Km/h south, then its velocity is 100 Km/h south.

Velocity

Velocity is a measure of how quickly an object is moving and in what direction. It is defined as the distance traveled by an object per unit of time in a specific direction. Velocity is a vector quantity, meaning that it has both magnitude and direction. It is often represented by the letter “v” with an arrow above it and is typically measured in meters per second (m/s).

Velocity is different from speed, which is also a measure of how quickly an object is moving but does not take into account the direction of its motion. Speed is a scalar quantity, meaning that it has only magnitude and no direction. It is often represented by the letter “v” and is also typically measured in meters per second (m/s).

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