A string is stretched and fixed at both ends, 200 cm apart. If the density of the string is 0.015 g/cm, and its tension is 600 N, what is the fundamental frequency?
a. 316 Hz
b. 632 Hz
c. 158 Hz
d. 215 Hz
e. 79 Hz
c
You might also like to view...
A satellite moves east, taken as the positive x axis direction, at a speed of 0.5c and a spaceship moves toward it (to the west) at a speed of 0.8c as measured by an observer on the Earth. The speed of the satellite measured by an observer in the spaceship is
a. 8.7c. b. 0.21c. c. ?0.21c. d. 0.93c. e. ?0.93c.
Which of the following is not a unit of pressure?
a. atmosphere b. psi c. N/m2 d. mm of mercury e. pascal f. none of the above Indicate whether the statement is true or false
What value should you use as the area of the base when calculating the answer to Part C?
In Part C, you are asked to calculate the volume of a rectangular prism that has a length of 5.6 cm, a width of 2.1 cm, and a height of 6.6 cm.
A. 12 cm2
B. 11.8 cm2
C. 11.76 cm2
A hydrogen atom is excited to the n = 10 stated. It then decays to the n = 4 state by emitting a photon which is detected in a photographic plate. What is the frequency of the detected photon? The lowest level energy state of hydrogen is -13.6 eV
(h = 6.626 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J) A) 4.05 × 1014 Hz B) 1.73 × 1014 Hz C) 1.27 × 1014 Hz D) 0.865 × 1014 Hz E) 3.46 × 1014 Hz