Where’s is the name carbon dioxide from?

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

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.

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?