Answer:
Length/time
Explanation:
As in the definition...Velocity is the rate of change of displacement...so hence
Velocity = Displacement/Time...where Displacement is length
Velocity = Length/Time
Answer:
Air and water i think
Explanation:
Cause Air =25% and water=25% so that equals 50%
<span>The equation that relates Wavelength & frequency of electromagnetic waves is :
Velocity (c) = Wavelength (λ) * frequency (f) ------ (1)
Electromagnetic wave velocity (c) = Speed of Light = 3 * 10^8 m/s
From (1),
Wavelength , λ = c / f
λ= (3*10^8)/(980*10^3)
λ = 306.12 m
Minimum height of the antenna for effective transmission = λ * 0.5 = 306.12*0.5
Answer : 153 m (rounded off)</span>
The orbital period increases if the orbital distance is increased.