Since there are 3600 seconds in one hour, 12 seconds is 1/300 hour.
To travel 18 meters in 12 seconds is the same average speed as traveling 5400 (300 x 18) meters in 1 hour, or 54 km per hour.
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Average speed = 10 meters per 2 seconds.Other ways of stating it:-- 5 meters per second-- 18 kilometers per hour
12*15*0.1=18 18 cubic meters
To find the area in square meters of a rectangle with dimensions 12 meters by 18 meters, you multiply the length by the width. Therefore, 12 x 18 equals 216 square meters.
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To calculate the average speed of an object moving 100 meters in 20 seconds, you would use the formula: speed = distance/time. In this case, the distance is 100 meters and the time is 20 seconds. Therefore, the average speed would be 100 meters / 20 seconds = 5 meters per second.