How much work does the dirt do on the baseball player as he comes to a stop if he is 75 kg and is running at 3.0 m/s

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?

Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.