pandamaknae2003
19.04.2021 •
Physics
4. A source of sound frequency 600Hz is placed inside water. The speed of sound in water is
1500 ms and in air is 300 ms. The frequency of sound recorded by an observer, who is
standing in air, is
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Ответ:
formula field
Explanation
What is a formula field?
Formula field refers to a read only field , the value in this is determined by us.Any update we make in this field it will by itself update formula field value.
Formula field is familiar when you for example calculating currency