Answer: frequency is 20000hz
Explanation:
Velocity=340m/s
Wavelength=0.017m
Frequency=velocity ➗ wavelength
Frequency=340 ➗ 0.017
Frequency=20000hz
Answer:
Hello! :)
Explanation:
A base quantity (or basic quantity) is chosen and arbitrarily defined, rather than being derived from a combination of other physical quantities. The 7 base quantities are: SI units are used as standardised units in all measurements in the world. SI is the short form for “International System of Units”
Hope This Helps!!!
Soft materials can absord the impact and in most cases prevent injury, unlike other objects that wont absorbs and itll cause damage to the body.