The source of all sounds is something that is
A. accelerating.
B. undergoing simple harmonic motion.
C. vibrating.
D. moving.
Answer: C
You might also like to view...
Which of the following solutions is the most concentrated?
A. one liter of water with 1 gram of sugar B. one liter of water with 2 grams of sugar C. one liter of water with 10 grams of sugar D. one liter of water with 5 grams of sugar E. They all have the same volume.
What is the temperature range on this map? Calculate the difference between the maximum (highest) and minimum (lowest) temperature readings. In the spaces below, fill in the readings; use a map or an atlas to determine the city (station) where the data were collected.
Maximum temperature: ____________
Station (city): ____________
Minimum temperature: ____________
Station (city): ____________
Range (express in C° and F°): ____________
The Green Revolution increased agricultural output in the 1960s, but little progress in increasing agricultural productivity has been made since then
Indicate whether the statement is true or false.
Choose the option that puts the following steps in the correct sequence
1. An electric sensor records the signal's travel time. 2. A transducer changes the signal into a thump on the rock. 3. An electrical signal is delivered. 4. The wave travels through the rock. A) 4, 2, 3, 1 B) 3, 4, 1, 2 C) 3, 2, 4, 1 D) 4, 1, 2, 3