Please be more specific because they all transmit signals but the most common one is the radio wave because it transmits cellphone , televition and radio signals
Answer:
The velocity is 
Explanation:
From the question we are told that
The mass of the bullet is 
The initial speed of the bullet is 
The mass of the target is 
The initial velocity of target is 
The final velocity of the bullet is is 
Generally according to the law of momentum conservation we have that

=> 
=> 
Answer:
The answer is roots.
Explanation:
Root nodules are found on the <em>roots of plants</em>, primarily legumes, that form a symbiosis with nitrogen-fixing bacteria. so it is roots
Answer:
Amplitude : The height of the wave from the origin to the crest/peak or trough
Explanation:
I think trace 1 is ac and trace 2 if dc but i’m not sure what will happen when a higher frequency is added?