Answer:
True
Explanation:
Objects falling through the air experience a force of opposition called air resistance
Answer:

Explanation:
From the question we are told that
Distance b/e antenna's 
Frequency of antenna Radiation
Distance from receiver 
Intensity of Receiver 
Distance difference of the receiver b/w antenna's 
Generally the equation for Phase difference
is mathematically given by



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Therefore phase difference f between the two radio waves produced by this path difference is given as

Answer:
A horse pulls a wagon along a road
A sound wave is a wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air.