Answer:
Sound wave can be described by five characteristics: Wavelength, Amplitude, Time-Period, Frequency and Velocity or Speed.
I did chocolate
1- 1:02
2-47 secs
3- 17 secs
Hope I helped ;)
Answer:
Explanation:
A machine is which no part of the work done on the machine is wasted, is called an ideal or perfect machine
You can find them in a chart but the atomic mass unit (amu) is defined as the proton mass. Proton = 1amu, neutron =1 amu, electron = 0.005amu
charge on P is +1, charge on N is 0, and charge on electron is -1
... low frequency and high amplitude.
