A block holding a ringing tuning fork oscillates back and forth, attached to a wall by a spring of spring on a horizontal, frictionless surface, with amplitude 17 cm. The mass of the tuning fork and block together is 0.75 kg. An observer who is situated so that the block’s direction of motion is either directly towards or away from him notes that the frequency he hears varies between 174 and 178 Hz. What is the spring constant for the spring ? The speed of sound at the time of the experiment is 340 m/s.
A. 390 N/m
B. 203 N/m
C. 1590 N/m
D. 290 N/m
E. 100 N/m
A. 390 N/m
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