The displacement is 28 miles.
Explanation :
Given that,
Distance to east = 40 miles
Distance to west = 12 miles
We need to calculate the displacement
Using formula of displacement
Where, D = displacement
X₁= Initial distance to east
X₂ = final distance to west
Put the value into the formula
Negative sign show the direction of east
Hence, The displacement is 28 miles.
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f is prop to m1xm2 double m1 double force