Part a how much ce at a temperature of 24 9℃must bo dropped nto the water so that the final temperature ofthe system will be 370°c? take the specific heat of liquid water to be 4190 j/kg k, the specific heat of ice to be 2100 j/kg k, and the heat of fusion for water to be 3.34-10 j/kg view available hint(s) kg

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.

What are similarities and differences of reflection, refraction, diffraction and absorption?

How do you tell if someone actually cares about you? and just say they do?