If mrs. jones can only pull with 30 n of force, how much weight can she lift using the wheel and axle system from question 3?

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

Explain what happens at the saturation point when adding salt to water at room temperature.