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How is speed and velocity different?
Speed is how fast the movement is. It contains only a magnitude. Velocity is speed plus a direction, and is known as a vector. Speed: 40mph Velcoity:40mph/east
Velocity is speed with direction
Speed does not have the direction associated with it, like velocity does.
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As used in physics, velocity is a vector, that is to say, the direction of the movement is also taken in account.
Speed and velocity both measure an object's change in position per unit time, but velocity also depends upon the object's direction of motion.
Speed is the distance an object travels per unit of time and velocity describes the speed and direction of a moving object.
Velocity indicates direction in addition to speed.
Speed is just a magnitude (25 m/s), which is known as a scalar value. Velocity, however, is a magnitude with a direction (25 m/s East), which is known as a vector value.
Velocity is a vector, meaning that it has a direction. When it is being expressed, the direction is given with it (e.g. 5m/s NW). Speed is a scalar, not a vector, so it does…n't have a direction connected with it. Thus, when it is expressed, the direction variable is omitted (e.g. 5m/s). Acceleration is a change in velocity or speed over time. It will be a vector when it is referring to a change in velocty (e.g. 10m/s2 SE), and it will be a scaler when it is referring to a change in speed (e.g. 10m/s2).
Velocity has a direction component. Speed: 3 ft/s Velocity: 3 ft/s NNW Speed does not have the direction associated with it, like velocity does.
Velocity is speed and its direction. "30 miles per hour" is a speed. "30 miles per hour north" is a velocity". "30 miles per hour north" and "30 miles pe…r hour south" are identical speeds but different velocities.
Speed is a scalar quantity and thus a general term; if a car is traveling at 60 mph that is its speed; Velocity is a vector quantity that has speed and direction associated …with it. If a car is traveling at 60 mph due east that is its velocity. The two terms are often used interchangeably.
Speed is the distance travelled in a given period of time and is measured in metres per second or miles per hour (ie 'distance' per 'unit of time'). It is always a… positive number. Velocity, however,, is the sppeed of an object in a given direction. So that if you define ''forwards' as a positive velocity, then if the object travels 'backwards', that would be classed as a negative velocity. So, if a car travels forwards, say, at 30 mph, its speed will be 30mph and its velocity will also be 30mph. However, if the car returns at the same speed, its speed will still be 30mph but its velocity will be - 30mph (minus 30mph) as the car is travelling in the opposite direction. This may seem a pointless exercise, but in equations of motion that involve speed, velocity, accceleration, time and so on, the direction of travel is important and so the velocity is used rather than speed. The concept of velocity is used in space travel, satellite technology, calculating flight paths, calculating missile trajectories and so on and so direection of travel - and hence velocity - is of vital importance.
When a direction is specified, it is called velocity. When the direction is not specified, it is called a speed. (That's the difference between a vector and a scalar.)
Speed is distance divided by the time taken Velocity is distance in a particular direction divided by the time taken. Velocity is a vector quantity while speed is a scal…ar quantity. That means that velocity include information about the direction of movement, while speed does not.