A5000-km long cable consists of seven copper wires, each of diameter 0.85 mm, bundled together and surrounded by an insulating sheath. calculate the resistance of the cable. use 3x10^-6 cm.ω for the resistivity of the copper.

Aballet student who learns with the of his instructor is demonstrating learning.

Photons with the highest energy have the longest period

According to newton’s law of universal gravitation, which statements are true? as we move to higher altitudes, the force of gravity on us decreases. as we move to higher altitudes, the force of gravity on us increases. as we gain mass, the force of gravity on us decreases. as we gain mass, the force of gravity on us increases. as we move faster, the force of gravity on us increases.