Three pulses with amplitudes of -1 cm, 3 cm, and 7 cm pass through point Y 1 point
on a string at the same time. The displacement of point Y will be:

a

explanation:

no diagram was provided, but i'm guessing it's the one i've attached to my answer.

here, a mechanical force turns the rod.   this generates an electric current in the coil, which powers the bulb.

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

hope this : d

e/c, where e is its total energy

prndulum needs thread, weight clock to time swings