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Questions (7)

A stationary source produces a sound wave at a frequency of 100 Hz. The wave travels at 1125 feet per second. A car is moving
1. 1 answer
2. 148 views
A person moves away from a stationary sound source. Which phrase describes the sound perceived by the person?(1 point)Responses
1. 1 answer
2. 154 views
Which of the following is true about sound waves? (1 point)Responses Sound moves faster in the ocean than in the air. Sound
1. 1 answer
2. 150 views
What happens to the wavelength when the frequency increases?(1 point)Responses The wavelength stays the same The wavelength
1. 2 answers
2. 148 views
How does an increase in amplitude affect sound and light waves?(1 point)Responses louder sound and brighter light higher-pitched
1. 1 answer
2. 134 views
What do both sound and light waves transfer?(1 point)Responses electricity energy air matter
1. 1 answer
2. 99 views
Which type of wave needs a medium to travel?(1 point)Responses light waves, because they travel by oscillating molecules sound
1. 1 answer
2. 156 views