Waves on a String: A 1.1-kg uniform bar of metal is 0.40 m long and has a diameter of 2.0 cm. When someone bangs one end of this bar, a 1.5 MHz shock wave is travels along the length of the bar and reaches the other end in 0.12 ms. What is the wavelength of the shock wave in the metal?
A. 2.2 mm
B. 2.6 mm
C. 3.0 mm
D. 3.4 mm
E. 3.8 mm
Answer: A
You might also like to view...
Quantization of electron energy states in an atom is better understood in terms of the electron's
A) wave nature. B) particle nature. C) neither of these
When an object is reflected in a plane mirror, the image is always
A. Virtual B. Real C. Inverted D. None of these
Propped cantilever beam AB has moment M1 applied at joint B. Framework ABC has moment M2 applied at C. Both structures have con-stant flexural rigidity EI. If the ratio of the applied moments M1/M2 5 3/2, the ratio of the joint rotations at B, ?B1/?B2, is approximately:
(A) 1
(B) 3/2
(C) 2
(D) 5/2
A gas originally occupies a volume of 0.5 m3 at a pressure of 100 kPa. It is slowly allowed to expand until the volume is 2.5 m3. Assuming the temperature is kept constant, the final pressure will be
A. 10 kPa. B. 50 kPa. C. 500 kPa. D. 100 kPa. E. 20 kPa.