Determina la presión que ejercen los patinadores sobre el hielo, teniendo en cuenta que la cuchilla del patín mide 30cm de largo y su grosor es de 5mm, y que el peso
de las dos personas es 120kg.

The california mussel (mytilus californianus) attaches itself to a rock or other solid surface with a bundle of filaments known as the byssus. imagine that 15.0 j of work is done to stretch the distal end of the byssus. it releases 10.8 j of thermal energy as it relaxes. what is the resilience of the distal end of the byssus?

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2

Atoms containing radioactive nuclei are called