Q:

How are speed, distance and time related?

A:

Quick Answer

The speed of an object is equal to the distance traveled divided by the time. This is equivalent to the statement that as the time taken to travel a distance increases, the speed of the object must decrease.

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Full Answer

The standard unit for speed in science is meters per second. If, for example, a person runs 30 meters in 10 seconds, his speed is 3 meters per second. The relationship for speed is the same for any units, as long as the units are consistent. If a car traveled 30 miles in an hour, the speed would be 30 miles per hour.

If an object is moving at varying speeds, then the relationship between speed, distance and time can only be used to calculate the average speed. A distance-time graph, which shows the speed varying as the time increases, is a good way to see how the speed of an object changes.

The relationship between speed, distance and time can be used to calculate any of the three variables, as long as the other two are known. The time taken for a journey, for example, is equal to the distance divided by the speed. Distance traveled can be calculated by multiplying speed and time together.

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Related Questions

  • Q:

    What is the formula for finding speed?

    A:

    The general formula for finding speed is x = d / t, where "x" denotes the speed, "d" indicates the distance traveled and "t" represents the time it takes to cover "d." Speed is a scalar quantity that is entirely defined by its magnitude without referencing its direction.

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  • Q:

    What is average speed?

    A:

    Average speed indicates how fast a vehicle travels over a specific distance in a certain amount of time. This contrasts with instantaneous speed, which reveals how fast a vehicle is traveling at a particular moment.

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  • Q:

    What is the formula for speed?

    A:

    The formula for speed is s = d/t, where s equals the speed, d is the distance covered and t is the time it took to cover the distance. The formula for finding the instantaneous speed at a specific point is found by taking the derivative of the speed equation.

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  • Q:

    What is the equation for speed?

    A:

    The most common equation for speed is: speed = distance / time. It can also be expressed as the time derivative of the distance traveled. Mathematically, it can be written as v = s/t, or v = (ds/dt), where speed is denoted by v, distance is denoted by s, and time is denoted by t. In case of uniform velocity, the first equation is used.

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