6. When a mass of 5 kg hangs from a vertical wire of length 2 m, waves...
Fantastic news! We've Found the answer you've been seeking!
Question:
6. When a mass of 5 kg hangs from a vertical wire of length 2 m, waves travel on this wire with a speed of 10 m/s. What will the speed of these waves be if the length of the wire is doubled?
A. 20 m/s
B. 10 m/s
C. 5 m/s
D. 40 m/s
7. If the amplitude in a sound wave is doubled, by what factor does the intensity of the wave increase?
A. 2
B. 1
C. 8
D. 4
8. With what tension must a rope with length 2.5 m and mass 0.12 kg be stretched for transverse waves of frequency 40 Hz to have a wavelength of 0.75 m?
A. 22.1N
B. 103.4N
C. 16.8 N
D. 43.2N
Related Book For
Fundamentals of Thermodynamics
ISBN: 978-0471152323
6th edition
Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen
Posted Date: