What basic thermodynamic law applies to Question 5?
The second law of thermodynamics
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A 1.0-kg object is moving with a constant velocity 2.0 m/s toward the north. There are two forces acting on the object. One of the forces is 3.0 N north. What is the second force that acts on the object?
A) 1.0 N north. B) 3.0 N north. C) 3.0 N south. D) 2.0 N north. E) 0.
A hollow cylindrical (inner radius = 2.0 mm, outer radius = 4.0 mm) conductor carries a current of 24 A parallel to its axis. This current is uniformly distributed over a cross section of the conductor. Determine the magnitude of the magnetic field at a point that is 5.0 mm from the axis of the conductor
a. 0.96 mT b. 1.7 mT c. 0.55 mT d. 1.2 mT e. 0.40 mT
A __________ lens is thinner at the center than the edges
Fill in the blank(s) with correct word
The lowest energy level in an atom is
a. the absolute zero temperature. b. the ground state. c. the ionization level. d. responsible for Doppler shifts. e. the energy level from which the Paschen series of hydrogen originates.