Answer:
I think frequency not sure though
How frequently a wave or vibration occurs during a span of time, determines the waves frequency. Frequency is the number of waves per unit time. The unit for frequency if a Hertz ( 1/second). The speed a wave travels is the wavelength multiplied by this frequency. The amplitude of a wave is the maximum distance the wave is displaced.
Answer:
A fast feather
Explanation:
The faster any item is, the more momentum it has
Answer:an electrical Current can be defined as the free flow of electrons through a circuit
Explanation:
20 N north because He is pushing it 20 newtons north.