i forgot
Velocity is speed, plus an indication of direction. To indicate a velocity, you can indicate a speed (this will logically use units of speed), and a direction.
You can sometime use integers but often speed or velocity can also be irrational.
There are many instruments for measuring speed but I am not aware of any for measuring velocity.
velocity= distance/time=d/t accelaration= dv/dt
You can't, because you don't have enough information. In order to find velocity, you need to be able to find the speed and the direction of motion. You have the speed, but you have no information that you can use to determine the direction in which the object is moving. Mass doesn't help.
When the direction of motion is relevant, you would use velocity rather than speed.
Because that's the definition of 'velocity'.'Velocity' is not just a word you use instead of 'speed' when you want to sound smart.It's meaning is different from the meaning of 'speed'.'Velocity' has two parts to it . . . speed and direction. If either of those changes, thenthe velocity has changed.
Velocity is speed, plus an indication of direction. To indicate a velocity, you can indicate a speed (this will logically use units of speed), and a direction.
You can sometime use integers but often speed or velocity can also be irrational.
Speed and velocity are the same in magnitude; but speed is a scalar and velocity a vector; a vector has magnitude and direction. For example if an object is moving with a speed of 100 mph in a certain direction its velocity is 100 mph in that direction. If it changes direction ate same speed and you want to compute distance traveled, etc., you would need to use vector addition. We sometimes use speed and velocity interchangeably which is fine for talking purposes.
Velocity is to vector quantity. Speed is the magnitude of velocity, which is a scalar quantity, meaning it only has a numerical value with no direction. Velocity, on the other hand, includes direction and magnitude, making it a vector quantity.
In physics, "speed" is how fast you go and "velocity" is how fast you go in a specific direction. On the road, it doesn't matter what direction you are going, only how fast. In common language outside of physics, we usually use "speed" and "velocity" to mean the same thing. But the word "speed" is shorter, so that is usually prefered for use on signs and in writting the laws about how fast you can drive. ************************** speed is really the same as velocity (u asked this at just the right time, i just studdied this in my science! lol). So why they chose to write on the speeding signs "speed" instead of "velocity", i have no idea....But if I think about it, the word "velocity" is more of a scientific name. "speed" is more simple, and to the point...everyone knows what were talking about! AND, if they DID us the word "velocity" over "speed", then you would probably be asking the same question, but reversed- "why are there velocity limits instead of speed limits?" so....do you get where im comming from? but, good question, anyway!!Velocity would not be an accurate measurement unless the highway or street was completely straight because velocity also indicates direction.
Acceleration is the change in an ogjects speed or a change in an objects direction of motion or both of these. If instead of speed you use the word velocity , which is both an object's speed and its direction of motion, then you could say "acceleration is the change in an objects velocity" and that would cover all the possibilities in one statement.
To calculate angular velocity from linear velocity, you can use the formula: Angular velocity Linear velocity / Radius. This formula relates the speed of an object moving in a circular path (angular velocity) to its linear speed and the radius of the circle it is moving in.
There are many instruments for measuring speed but I am not aware of any for measuring velocity.
To find the linear velocity from angular velocity, you can use the formula: linear velocity angular velocity x radius. This formula relates the speed of an object moving in a circle (angular velocity) to its speed in a straight line (linear velocity) based on the radius of the circle.
To determine velocity from angular velocity, you can use the formula v r, where v is the linear velocity, is the angular velocity, and r is the radius of the rotating object. This formula relates the rotational speed of an object (angular velocity) to its linear speed (velocity) at a given distance from the center of rotation.