average speed
The speed of an object at any given instant is known as its instantaneous speed. It is the rate of change of distance with respect to time at that specific moment in time and can be calculated using calculus by finding the derivative of the distance function with respect to time.
That's correct, the instantaneous magnitudes are equal. Non-instantaneous values may not be equal. For example, to find average speed, between two points, you divide the actual path distance by the time, but for average velocity you divide the straight line distance, between the points, by the time. The straight line distance could be quite a bit shorter then the actual path distance (for curved motion) so you could get a big difference between those averages. When calculating "instantaneous" values, however, the difference between "actual path distance" and "straight line distance" becomes insignificant, because you are using distances for infintesimally small time intervals.
The space occupied by one cycle of a wave at any given instant is called the wavelength. It is the distance between two consecutive points that are in phase with each other, such as two peaks or two troughs of the wave.
Because when you look at the speedometer it is telling you your speed at that particular instant in time, it changes from instant to instant.
A distance-time graph allows you to find information such as the speed of an object (slope of the graph), the distance traveled by the object over a specific time period, and whether the object is moving at a constant speed or accelerating. It provides a visual representation of how the position of an object changes over time.
Average speed = distance/time
American Football relies on the 'instant replay', covered by television.
Instant potatoes, prepared and immediately covered with a lid will actually remain hot up to 30 minutes.
Morse Code
Morse
morse's code.
Telegraph and the Morse code.
Because people are randomly adding your PIN & instant messaging you.
The average velocity of an object in motion can be calculated by dividing the total displacement by the total time taken. It gives an overall idea of how fast the object is moving over a given distance.
what is speed at a specific instant in time
(telegraph)
The speed of an object at any given instant is known as its instantaneous speed. It is the rate of change of distance with respect to time at that specific moment in time and can be calculated using calculus by finding the derivative of the distance function with respect to time.