40. On top of a spiral spring of force constant of 500Nm'' is placed on a mass of 5 x 10 kg. if the spring is compressed
downwards by a length of 0.02m and then released.
Calculate the height to which the mass is projected
(1) 2m (b)lm (c)lm (d) 4m

spare some change and give it to the poor

explanation:

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we have been given a quadratic function and we need to restrict the domain such that it becomes a one to one function.

we know that vertex of this quadratic function occurs at (5,2).

further, we know that range of this function is .

if we restrict the domain of this function to either or , it will become one to one function.

let us know find its inverse.

upon interchanging x and y, we get:

let us now solve this function for y.

hence, the inverse function would be if we restrict the domain of original function to and the inverse function would be if we restrict the domain to .

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