Quiz1Solution%20for%20Version%20A

# Quiz1Solution%20for%20Version%20A - 1 1 Problem 1 mv 2 0 =...

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22 2 11 Problem 1. 0 0 2.23 / mv kx kx vm s m +=+ == Problem 2. 340 m/s / 0.00567 60000 Hz vf m λ = = Problem 3. cos(2 ) 6 1 2 2 / 5 0.0637 5 1/ 5 15.708sec xA f t Ac m f fH z Tf π = = =⇒ = = = Problem 4. 150 15000 / 0.01 Fk x x F N kN m xm =− = = ' 1 Problem 5. For Spring 2 1 For Pendulum 3 2 31 3 9 k f m g ff L kg f mL mg L k ππ = = Problem 6. Clock running fast means Period (T) is too small. To increase T (T 2 ), should increase. L L g = '' ' ' ' Problem 8. v (2 )(2L) v2 2 FF L m L F F L v mm m µ = = =

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2 2 2 22 2 Problem 9. v(t) (2 )sin(2 ) ( ) ) cos(2 ) (0) ) 197.4 / 197.4 5 ) (0) 5 dx A ff t dt dx at A f f t dt aA f m s Am f xA m ππ π == =− Problem 10. The two wave just cancel each other.
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Quiz1Solution%20for%20Version%20A - 1 1 Problem 1 mv 2 0 =...

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