The position function xt of a particle moving along an x, Ask an Expert

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Q. The position function x(t) of a particle moving along an x axis is x = 4.5 - 4.5t2, with x in meters and t in seconds.

At what time does particle (momentarily) stop?

Q. A cord of length 1.40 m is fixed at both ends. Its mass per unit length is 1.10 g/m and the tension is 12 N.

What is the frequency of fundamental oscillation?

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Category:- Physics
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