According to the law of poles, like poles ______________
Fill in the blank(s) with correct word
repel
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An unknown amount of gas is placed in a container with a moveable piston as shown below. The cross-sectional area of the container is A. When a mass M is placed on the piston, the height of the piston above the bottom of the container is h
What happens when an amount of energy Q is transferred by heat to the gas? (Q>0.)
Which of the following is not implied by this diagram?
A) There are six distinct forces known to operate in the universe, and a seventh force called the "super force" might also exist. B) At very high temperatures, the electromagnetic and weak forces are no longer distinct but instead act as a single electroweak force. C) At the current temperature of the universe, gravity is the weakest of the forces. D) At the current temperature of the universe, the strong force is the strongest of the forces.
A long solenoid (diameter = 5.0 cm) is wound with 960 turns per meter of thin wire through which a current of 300 mA is maintained. A wire carrying 12 A is inserted along the axis of the solenoid. What is the magnitude of the magnetic field at a point 2.0 cm from the axis?
A. 0.41 mT B. 0.48 mT C. 0.38 mT D. 0.56 mT E. 0.24 mT
A one-way mirror works because __________
Fill in the blank(s) with correct word