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Question
A small object of mass m, on the end of a light cord, is held horizontally at a distance rfrom a fixed support as shown. The object is then released. What is the tension in the cord when the object is at the lowest point of its swing?
A) mg/2
B) mg
C) 2 mg
D) 3 mg
E) mgr
Answer
This answer is hidden. It contains 1 characters.
Related questions
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Q:
In a photoelectric effect experiment at a frequency above cut off, the stopping potential is proportional to:
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Q:
In a photoelectric effect experiment at a frequency above cut off, the number of electrons ejected is proportional to:
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Q:
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Q:
The resolving power of a telescope can be increased by:
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Q:
Light of wavelength 480 nm falls on a slit of width 3.5 m. What is the relative intensity (that is, the value of I/Im) of the diffraction pattern at an angle of 18?
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Q:
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