Read the list of substances.
air, copper, glass, gold, wood
which substances have high electrical conductivity?
group of answer choices
a. air and copper
b. air and glass
c. copper and glass
d. copper and gold

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

Why should seat belts not be mandatory quick plz