AP (Advanced Placement) Physics(B-C): Questions 516 - 519 of 920
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Question number: 516
Question
The outside of a room temperature is , and inside of the room temperature is . Assume that the heat is transferred only through a window glass of thermal conductivity . The area of the window is and thickness of glass is . What is the heat transfer rate, through window glass?
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| e. | All of the above |
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Question number: 517
» Gravitation and Circular Motion
Question
A car of mass is traveling on a level roadway. What is the minimum coefficient of friction required to keep car on a turn with radius of ?
Choices
| Choice (5) | Response | |
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| a. | 6.6 |
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| b. | 3.8 |
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| c. | 0.10 |
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| d. | 2.4 |
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| e. | Question does not provide sufficient data or is vague |
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Question number: 518
» Force and Newton's Law of Motion
Question
A net force of is applied for to an object with a mass of , will change the speed of the object:
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| Choice (5) | Response | |
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| a. | From rest to |
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| b. | From to |
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| c. | From to |
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| d. | From to |
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| e. | All of the above |
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Question number: 519
Question
In the Bohr model of the hydrogen atom, the electron is confined to specific energy states. If is the quantum number for a particular energy level, is the electron wavelength associated with that energy level, and is the radius for the specified energy level, then which of the following equations must be correct?
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| e. | All of the above |
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