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Who Can Solve This? by Aceed: 11:40am On May 03, 2017 |
A simple pendulum of length 0.4m has the period of 2s, what is the period of a similar pendulum of length 0.8m at the same place? PLEASE SHOW YOUR WORKINGS!!! |
Re: Who Can Solve This? by ellagabs(f): 11:46am On May 03, 2017 |
i need mor answer sheet sir... 1 Like |
Re: Who Can Solve This? by Aceed: 12:17pm On May 03, 2017 |
Re: Who Can Solve This? by ellagabs(f): 12:28pm On May 03, 2017 |
soln. (t1/t2) = sqr rut (L1/L2) 2/t2 = sqr rut (0.4/0.8 ) 2/t2= sqr rut (1/2) t2 = 2rut2 final ansa t2 = 2 rut 2 |
Re: Who Can Solve This? by Kylekent59: 12:47pm On May 03, 2017 |
Let me solve it in a first class way so that you will get all your mark. Solution: L1=0.4m, T1=2 sec L2=0.8m, T2=? For a. Simple pendulum with period p We have the formula P= 2/pie(√L1/√L2) i.e 2/pie( sqrt of L1/L2) Therefore, T=√L Using the formular above,we have T1/T2 =√L1/√L2 = 2/T2 =√0.4/√0.8 By cross multiplying 2√0.8 = T2√0.4 Dividing both sides by the co-efficient of T2 We get T2= 2√0.8/√0.4 But √0.8=0.89442719099999 And √0.4=0.6324555320336 T2= 2*0.89442719099999/0.6324555320336 T2= 1.7888543819999/0.6324555320336 T2=2.8284271247467 Approximating T2 = 2.83 sec. Answer. |
Re: Who Can Solve This? by Kylekent59: 12:48pm On May 03, 2017 |
ellagabs:I have solved the question. There is nothing like more answer sheet |
Re: Who Can Solve This? by Kylekent59: 12:50pm On May 03, 2017 |
Aceed:Solved. Mods plz do the needful let's help educate d youth that come across this question, next time |
Re: Who Can Solve This? by ellagabs(f): 12:50pm On May 03, 2017 |
Kylekent59: bros, i get big big hand writin o |
Re: Who Can Solve This? by Aceed: 1:19pm On May 03, 2017 |
Kylekent59 ellagabs Next question Calculate the seperated distance of two masses 10^12kg and 10^13kg when their gravitational force of attraction is 6.7N. |
Re: Who Can Solve This? by ellagabs(f): 1:21pm On May 03, 2017 |
Aceed: oga u neva tel me weda i get dat 1 corect or i fail am. |
Re: Who Can Solve This? by Aceed: 1:32pm On May 03, 2017 |
ellagabs: Oga me too solve and na the same answer me just wan know if ah correct that is to say me no sabi the 'answer' |
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