1 Transverse waves on a string have wave speed 38.0 m/s and wavelength 0.300 m.

Question

1 Transverse waves on a string have wave speed 38.0 m/s and wavelength 0.300 m. What is the                            frequency of these waves?

                            2. A string has mass per unit length 0.00400 grams/cm. The speed of transverse waves on the string is 40.0                            m/s. What is the tension in the string, in newtons? (Be sure to do the necessary unit conversions.)

                            3. A standing wave on a string fixed at both ends has three antinodes. The string is 65.0 cm long. What is the wavelength of                            this standing wave?

Explanation / Answer

1) f = V/ Lambda = 38/0.3 = 126.67 Hz

2) u = 0.004*10^-3/10^-2 = 0.0004 kg /m

V = sqrt(t/u)

40 = sqrtT/0.0004)

T = 0.64 N

3) Length = n*Lambda/2

Lambda = 65*2/3 = 43.33 cm

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.