What is the tension if the weight is 80N​

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.

Two waves maximally constructively interfere at a point in space. among the options below, select the possible value of their phase difference at that point in space.a. zerob. πc. π/2d. not determinable by the information provided