a buoy is anchored to the ocean floor. a large wave approaches the buoy. how will the buoy move as the waves go by?

Oxygen and hydrogen gas are at the same temperature t.what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

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