what are the four units of speed
The question cannot be answered because there are no units for 242000000. Also, speed cannot be measured in centimetres, which is a measure of distance.
Several units are used, depending on what you want to measure. For example, in the case of sound, you can use units of energy, of intensity (energy/area), of wavelength, frequency, speed, and probably a few more.
There is no synonym to velocity. there is no directionality in velocity. speed is a measure of rotation around a center expressed in revolutions per unit of time. Velocity is a measure of distance in units of time with no direction. Vectors indicate direction.
Velocity is speed and its direction. The units of velocity are any unit of speed and any means of indicating a direction.
Units of measure are used to measure anything: length or volume, mass or speed, pressure or force etc.
However you want: Speed is a measure of units of distance per units of time. Miles per hour or meters per second are common ones.
Meters and secound
Units of measure are used to measure anything: length or volume, mass or speed, pressure or force etc.
speed =distance/time and units of speed can differ depending on the circumstance. in science we usually measure speed as meters per second (m/s) can also be written ms^-1.
Neither. These units measure distance and time, not speed.
determine the units of a caterpillar's speed if you measure the distance the caterpillar travels in centimeters and the time it takes to travels this distance in minute
In order to measure speed, a unit for distance and a unit for time must be used. Common units with which speed is expressed are meters per second (m/s), miles per hour (mph), and kilometers per hour (km/h).
Conversion between the two units of measure is not possible because mph is a measure of speed, and m/s2 is a measure of acceleration, which is change in speed (or velocity).
You can not convert between units of time and units of length - they measure completely different things. If it is a speed problem, you must know ore assume the speed, then divide the number of miles by the speed.
Speed is measured in metres per second (or kilometres per hour), and length is measured in metres.
You use exactly the same instruments to measure speed in the metric system as you use in any other system. For example, a speedometer, or a distance measuring device and a stopwatch. The difference is that these devices are calibrated in metric units, instead of old-fashioned units.