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How much coins weight would it take to stretch a band by one

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(a) Based on the linear fit equation y=395.7x + 1.44 (this equation is derived from a graph where stretch of a band in meters is on the x axis and weight is on the y axis), how much coin weight would it take to stretch the band by one meter?

The force constant k of the band is 395.7.

(b) How does above linear equation relate to Hooke's law F= kx ?

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(a) I see from your description that in the equation, y = 395.7x + 1.44, x is the distance in m by which the band is stretched and y is the total force ...

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