8500 Hz and Longitudinal
Speed = frequency x wavelength
Speed of sound at 20 degrees Celsius is approximately 340 m/s
A. An electron has far less mass than either a proton or neutron.
A or possibly C because the other options have nothing to do with the size of the vibration. If i was you I would answer with A
Answer:
D. magnitude and direction
Explanation:
Answer:
It states that the time rate of change of the momentum of a body is equal in both magnitude and direction to the force imposed on it.