An acorn falls 10 meters in 4 seconds. What is its average velocity?

What mass will a pumpkin have a force of 450 newton’s accelerates it to 110 m/s^2? include the correct units.

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

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