Inverse-square force multiplier

Inverse-square force multiplier

Secondary 2
3 marks
TGM Original Questions

Optional extension

The strength of a sensor signal is inversely proportional to the square of its distance from a transmitter. If the distance is reduced to one-third of its original value and the signal becomes \(n\) times as strong, find \(n\).[3]

Solution:

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Answer:\(n=9\).

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