Medida de la energía cinética de las moléculas de un cuerpo en cualquier estado

As you watch a surfer ride a wave towards the shoreline, what is the shoreline? a) displacement reference b) reference point c) coordinate plane d) cartesian boundary

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.