- #1

- 21

- 0

## Homework Statement

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