Two tuning forks are generating sounds of wavelengths 34.4 cm and 33.94 cm. How many beats are produced each second by the two tuning forks? The speed of sound is 340 m/sec. A. 18

B. 22

C. 14

D. 27

Explain the difference between each pair of concepts. a. frequency and relative frequency b. percentage and relative frequency a. select the correct choice below. a. frequency is the total number of observations in a data set. relative frequency is the number of times a particular distinct value occurs. b. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of a value to the total number of observations. c. frequency is the total number of observations in a data set. relative frequency is the ratio of the number of times a particular distinct value occurs to the frequency. d. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of two different values.

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these

Lightning is an example of what phenomenon? a release of a large amount of energyan absorption of a large amount of energya natural electric circuita natural electric current