Two parallel wires spaced 0.50 m apart in a horizontal plane carry oppositely directed currents of 200 a. (i) what is the force per unit length on the wires? (ii) are the wires attracted or repelled?

Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.

Quantum mechanics applies to subatomic, atomic, nanometer-size, and micrometer-size systems. nanometer, micrometer, and kilometer-size systems. atomic, nanometer-size, and micrometer-size systems. subatomic, atomic, and nanometer-size systems.

True or false graphs must include scales that increase by the same amount