Question

select two correct answers: amplitude is measured from... crest to crest trough to trough resting point to crest crest to trough resting point to trough rewatch skip

Explanation:

Amplitude is the maximum displacement or distance moved by a point on a vibrating body or wave measured from its equilibrium (resting) position. So it can be measured from the resting point to the crest (positive amplitude) or from the resting point to the trough (negative amplitude).

Answer:

resting point to crest, resting point to trough