(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

The position of a particle is given by x = (2 cm) cos 10πt, where t is in seconds.

(a) What is the frequency?

Hz

(b) What is the period?

s

(c) What is the amplitude of the particle's motion?

cm

(d) What is the first time after t = 0 that the particle is at its equilibrium position?

sIn what direction is it moving at that time?

in the negative direction

in the positive direction

2. Relevant equations

3. The attempt at a solution

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# Homework Help: Position of a particle is given by x = (2 cm) cos 10πt

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