PHYSICS**** Find "spring constant k" and "magnitude of the object's acceleration"?

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03-31-2008, 03:07 AM

traxxas

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PHYSICS**** Find "spring constant k" and "magnitude of the object's acceleration"?

An 0.90 kg object is attached to one end of a spring, and the system is set into simple harmonic motion. The displacement x of the object as a function of time is shown in the drawing below. With the aid of this data, determine the following values.

http://www.webassign.net/CJ/10_38.gif

(a) amplitude A of the motion
0.08 m

(b) angular frequency
1.57 rad/s

(c) spring constant k
_______ N/m

(d) speed of the object at t = 1.0 s
0 m/s

(e) magnitude of the object's acceleration at t = 1.0 s
_______m/s2

************************************************** *********************
I got part a,b,d correct. Those answers are posted above.... please help me with part c and e

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