AP (Advanced Placement) Physics(B-C): Questions 578 - 581 of 921
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Question 578
Question
MCQ▾An object of mass is whirled in a vertical circular path by an attached string of length . The speed of the object to remain constant at every point . What would be the tension of the string, when object is at top of circular path?
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Question 579
Question
MCQ▾A stone with a mass of is thrown horizontally with a speed of from the top of a tower of height . What is the speed of the stone when it hits the ground?
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Question 580
Question
MCQ▾A spring is compressed a distance of from its rest position and held in place while an object of mass is attached at its end. When the spring is released, the object leaves the spring and traveling with speed . What would be the spring constant?
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e. | Question does not provide sufficient data or is vague | |
Question 581
Question
MCQ▾The equation to calculate decibel level for sound is , where is the intensity of the lowest limit of human hearing, . What is the corresponding decibel level of a sound that has an intensity of ?
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e. | None of the above | |