a 60kg person climbs stairs of total height of 20m in two minutes calculate the power delivered [g = 10ms^2]​

Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

For which pair of objects would adding the same a