# Simple Harmonic Motion Questions with answer

Jun 17th, 2015
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1- What is your conclusion about the effect of the mass of the bob on the period of the pendulum? -The mass has no effect on the period because upon changing 3different masses, the period stayed approximately constant. 2- Compare your experimental outcome to the calculated theoretical value and comment on the possible sources of error.

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Physics 302LSimple Harmonic MotionNames_Sarah Kawtharani , Wiam Saab ,Lama Farhat, Karim Mikawi Instructor Dr. Rana Nicolas Part A- Changing the Mass Find the expected value of the period: (0.5 pts)Ttheoretical= ( 2.00 ) secFill the table below: ( 1.5 pts)Length of pendulum = 100cm + 0.05cm Amplitude less than 10Massm (g) + 0.001g # of oscillationsTotal time of oscillations(sec)Peroid T (sec)m1= 3.076 g1019.75 1.975 m2= 22.018g1019.701.970m3= 65.201g1019.801.980Average period T: 1.975sec +0.003 1- What is your conclusion about the effect of the mass of the bob on the period of the pendulum? (0.5 pts)-The mass has no effect on the period because upon changing 3different masses, the period stayed approximately constant. 2- Compare your experimental outcome to the calculated theoretical value and comment on the possible sources of error. (1 pt) %error: (2-1.975)/2 *100% = 1.25 % < 5% then its accurate Range is x-

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