Aluminum alloys are readily deformed into shape because they have the _________-centered-cubic crystal structure.
Fill in the blank(s) with the appropriate word(s).
face
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Impulse: A small car meshes with a large truck in a head-on collision. Which of the following statements concerning the magnitude of the average force during the collision is correct?
A. The truck experiences the greater average force. B. The small car experiences the greater average force. C. The small car and the truck experience the same average force. D. The force experienced by each one is inversely proportional to its mass. E. The force experienced by each one is directly proportional to its mass.
The overall dimming of starlight passing through dust clouds is called ________
Fill in the blank(s) with correct word
The terminals of a battery are connected across two resistors in series. The resistances of the resistors are not the same. Which of the following statements are correct? Choose all that are correct
1.The resistor with the smaller resistance carries more current than the other resistor. 2.The resistor with the larger resistance carries less current than the other resistor. 3.The current in each resistor is the same. 4.The potential difference across each resistor is the same. 5.The potential difference is greatest across the resistor closest to the positive terminal.
A closed 2.0-L container holds 3.0 mol of an ideal gas. If 150 J of heat is added, what is the change in internal energy of the system?
a. zero c. 150 J b. 100 J d. 200 J