IDENTIFY THE VARIATION FOR THE INCREASE IN SPEED THE TIME TO COVER A FIXED DISTANCE REDUCES
Answers
indirect variation
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Given : For the increase in speed, the time to cover a fixed distance reduces."
To Find : Variation
Solution:
Distance = Speed x time
=> Time = Distance / Speed
Distance is fixed
hence constant k
=> Time =k / Speed
=> Time ∝ 1/ Speed
For the increase in speed, the time to cover a fixed distance reduces."
is inverse proportion
Additional Info :
Direct variation if a variable increases then other variable also increases with a constant factor y = kx
inverse variation if a variable increases then other variable decreases with a constant factor xy = k
Joint variation is a relationship between atleast three variables, where one variable varies directly with all other variables.
y = kxz
Combined Variation is a relationship between three or more variables where it is in direct variation with few variable and in inverse variation with other variable y = kx/z
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