A MASS of 30 kg is placed 4m from the fulcrum of a see-saw. What is the torque produced by the mass?

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter

Which is not true of the intertropical convergence zone? a) it features heavy precipitation b) it's where the trade winds collidec) it's a high-pressure zone with sinking air d) it is also known as the doldrums