Q:
# What is the distance covered per unit of time called?

**Speed is the rate of distance covered per unit of time.** The SI unit for speed is meters per second. An object can have a speed of any number 0 or greater.

Speed is a scalar measurement, meaning the direction of movement of an object cannot be determined by just knowing the speed. Velocity is a vector measurement that indicates the speed and direction of movement. The speed of an object is easily measured using a radar gun, using a laser gun, or simply recording the time taken to move a known distance. The speedometer of a car determines the current speed by recording the revolution rate of the tires divided by a set time interval.

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Q:
## What exactly is a light year?

A: A light year is a unit of distance used in astronomy. It's the distance light travels in a year. It is not in any way a unit of time, though it sounds like... Full Answer >Filed Under: -
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 t... Full Answer >Filed Under: -
Q:
## What is a unit rate in math?

A: A unit rate in math is the expression of a rate in a quantity of one. For example, 60 miles per hour represents a commonly used unit rate. Similarly, 30 st... Full Answer >Filed Under: -
Q:
## How do you convert kilograms to liters?

A: A kilogram is a unit of mass and a liter is a unit of volume, so there is no direct rate of conversion. If you know the density of a substance, you can mak... Full Answer >Filed Under: