I need help with these homework problems 1. The amplitude of the wave shown in the figure is A. A. B. B. C. C. D. D. 2. The wavelength of the

I need help with these homework problems

1. The amplitude of the wave shown in the figure is

A. A.

B. B.
C. C.

D. D.

2. The wavelength of the wave shown in the figure is

A. A.
B. B.

C. C.

D. D.

3. What is the wavelength of a wave with a speed of 9.0 m/s and a period of 0.33 s?

A. 0.33 m

B. 1.5 m

C. 3.0 m

D. 13 m

E. 27 m

4. A wave has a frequency of 58 Hz and a speed of 31 m/s. What is the wavelength of this wave?

A. 1.9 m

B. 3.5 m

C. 0.29 m

D. 0.53 m

E. 31 m

5. A stationary railroad whistle is sounded. An echo is heard 5.0 seconds later by the train’s engineer. If the

speed of sound is 343 m/s, how far away is the reflecting surface?

A. 68 m

B. 140 m

C. 860 m

D. 1700 m

E. 2000 m

6. Ocean waves with a period is 10 s are found to have a wavelength of 120 m. Their speed is

A. 0.083 m/s.

B. 12 m/s.

C. 120 m/s.

D. 1200 m/s.

E. None of the above is correct

7. The musical note A has a frequency of 440 Hz and its wavelength in seawater is 3.5 m. The speed of sound in

seawater is

A. 80 m/s.

B. 126 m/s.

C. 1540 m/s.

D. 3  108 m/s.

E. 343 m/s

8. Radio amateurs are permitted to communicate on the “10-meter band”. What frequency of radio waves

corresponds to a wavelength of 10 meters?

A. 3.3  10-8 Hz

B. 3.0  107 Hz

C. 3.3  107 Hz

D. 3.0  109 Hz

E. 3.0  106 Hz

Share This Post

Email
WhatsApp
Facebook
Twitter
LinkedIn
Pinterest
Reddit

Order a Similar Paper and get 15% Discount on your First Order

Related Questions

I need help with this home work assignment  Practice Makes Perfect – Final Comprehensive Quiz

I need help with this home work assignment  Practice Makes Perfect – Final Comprehensive Quiz General Physics Lecture/Lab (PHY 213) V. M. Edwards, Ph.D., Professor Last Name__________________________ First name______________________ Score___________ SI Base Units Quantity SI Unit (word) SI Unit (abbreviation) 1. Mass _________________ _________. 2. Time _________________ _________. 3. Length

PLEASE REVIEW THE INFO  Experiment

PLEASE REVIEW THE INFO  Experiment Pendulum and the Calculation of g Experiment Pendulum and the Calculation of g Lab 6 -Simple Pendulum Discussion and review A simple pendulum consists of a mass (“bob”) suspended from a light string of length L. The bob is pulled sideways such as the string