492,972 views
2 votes
2 votes
Calculate the frequency of a vibrating body if it vibrates 400 times in 20 seconds. Identify the category of sound it belongs to.(sonic sound/ ultrasound/ infra sound)

User Umang Mehta
by
2.6k points

2 Answers

8 votes
8 votes

Answer:

F+20Hz

Step-by-step explanation:

User Sunqiang
by
2.7k points
11 votes
11 votes
F= 20Hz
The category of sound is a sonic sound
Calculate the frequency of a vibrating body if it vibrates 400 times in 20 seconds-example-1
User Cnfw
by
3.3k points