A change in speed is a change in velocity - so, a change in speed is an example of acceleration! Acceleration may be positive or negative. Negative acceleration is sometimes called deceleration. When a force acts on an object; it may change the object's acceleration (speed, direction, or both).
the speed that is not variable is the speed of light (c) because it is constant.
This could be constant speed. It might also be described as uniform motion.
constant speed.
the answer is average speed
the speed of light does not change
Constant Speed
acceleration
You don't say which speed, but all change over time.
Velocity.
Acceleration is the change in velocity ("speed") over time.
The symbol for an average speed is a bold v with a line over the top of it. This is the quantity of change in position over change in time.
Speed. The equation to find speed is distance over time.
As long as direction doesn't change, speed over time is called acceleration.
The rate of change of velocity over time is called acceleration. It can be as a result of increase or decreased speed, or change of vector.
You don't say which speed, but all change over time.
No, acceleration is the change in speed over time.
Velocity.
Acceleration is an increase in change in speed over time of an object, and deceleration is a decrease in the change in speed over time of an object. -aerol-
Calculation for speed
Acceleration is the change in velocity ("speed") over time.
Any change over time is called rate.
Speed is equal to the change in distance over the change in time, or V = D/T where V is speed, D is distance and T is time.
That is called acceleration.
The symbol for an average speed is a bold v with a line over the top of it. This is the quantity of change in position over change in time.