for #11 b) 1/2f c) f d) 2f e) 4f 7) 71 The 1.00cm B. 16.00 E 96.00 o 8) A mass o

Question

for #11 b) 1/2f c) f d) 2f e) 4f 7) 71 The 1.00cm B. 16.00 E 96.00 o 8) A mass on a sprirvg B. 2T C. T D. TA E. T/4 9) An object with mass M is suspended by a spring vibrates with frequency t. When a vecond ooiet aftached to the first, the system now vibrates with trequeney 0 500. The second mass hal was ae to the first has a mass of A. M B. 2M C. 3M D. 4M E. 7M 10) A certain airport runway of length L allows planes to accelerate unformly from rest to takieof speed using the full length of the runway. Because of newly designed planes, the takeoft speed must be using the full length of in using the full length of the runway and having the same acceleration as before doubled, again using the full length of tho A. 2 L B. 4L C. D. 2L E. 4L mode at frequencyf. ONE end is 11) An organ pipe open at both ends is resonating in its fundamental mode at frequency f.ONE endi closed, the corresponding frequency is: A. 1/4f

Explanation / Answer

fundamental frequency of both end open organ pipe = f = v/lambda= v/2L

fundamental frequency of one end closed organ pipe = f ' = v/lambda= v/4L

Hence f ' = f/2

option b is correct

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