A pair of conductors are connected with a wire. Which of the following statements is necessarily true?
A. The conductors are at the same electric potential
B. The electric field at the surface of each conductor is the same
C. The conductors each have the same charge
D. There is no net charge on the conductors and wire
A. The conductors are at the same electric potential
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Parallel Wires: Two long parallel wires are 0.400 m apart and carry currents of 4.00 A and 6.00 A. What is the magnitude of the force per unit length that each wire exerts on the other wire? (?0 = 4? × 10-7 T ? m/A)
A. 2.00 ?N/m B. 5.00 ?N/m C. 12.0 ?N/m D. 16.0 ?N/m E. 38.0 ?N/m
A man standing on frictionless ice throws a 1.00-kg mass at 29.0 m/s at an angle of elevation of 50.0°. What was the magnitude of the man's momentum immediately after throwing the mass?
a. 45.1 kg·m/s b. 18.6 kg·m/s c. 22.2 kg·m/s d. 37.9 kg·m/s e. This cannot be answered because the mass of the man needs to be known.
A neutral ?0 (having mass 0.642 u) that is at rest decays into two gamma ray photons. What is the energy in MeV of each photon? (1 u = 931.5 MeV/c2)
A) 597 MeV B) 299 MeV C) 1190 MeV D) 149 MeV E) 199 MeV
The process by which raindrops are formed by the collision of droplets is called ______________
Fill in the blank(s) with correct word