Answer: its mechanical energy
Explanation:
Answer:
C) The upward force of air resistance is greater with the note card causing it to reach the ground slower.
Answer: wavelength is 
The frequency of the microwave is, f = 2.30 GHz.
To Find frequency use the formula:
λ
Where, c is the speed of electromagnetic wave or light. f is the frequency, and λ is the wavelength of light.
Rearranging,
Plug in the values,
