Si los electrones de un metal como el cobre pueden moverse libremente, deben dirigirse hacia la superficie de metal. ¿porque no continúan su movimiento y abandonan el metal?

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy

How do we measure or think of speed in the united states?