- #1

sugz

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## Homework Statement

A certain spring elongates 9:0mm when it is suspended vertically and a block of mass M is hung on it. If driven by a force of variable frequency, at what frequency would resonance be obtained?a. is 0:088 rad/s

b. is 200 rad/s

c. is 33 rad/s

d. is 1140 rad/s

e. cannot be computed unless the value of M is given

## Homework Equations

## The Attempt at a Solution

I really don't know how to attempt this question.