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Grade: 12th pass
        A particle executing SHM of time period 4 s what is the time taken by it to move fromA) mean position to half the amplitude a-1/2 sec b-1/3 sec c-2/3 sec d-3/4 secB) Extreme position to half the amplitude a-1/2 sec b-1/3 sec c-2/3 sec d-3/4 sec
7 months ago

Answers : (4)

Arun
13207 Points
							
 

Dear student

 

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Arun (askIITians forum expert)

7 months ago
Medical Student
35 Points
							Sir, Red colour line 2nd step pi/2t`=pi/3  i didn`t understand pi/3 logic.... pi/3 is derived from where?
						
7 months ago
Medical Student
35 Points
							I mean to say we get pi/3 by inverse of cos 0.5.. am MCAt student and want to prepare for entry test..  calculator isn`t allowed there. So without calculator how could i solved cos`0.5 value or pi/3 ...?
						
7 months ago
Arun
13207 Points
							
Dear student
This is a basic trigonometry. Which we have studied in class 9th and 10th.
Cos \pi/3 = ½
This should be learnt
Regards
Arun (askIITians forum expert)
7 months ago
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