3 years ago

Which of the following is an example of an electromagnetic wave ?

Physics

2 answers:

RSB [31]3 years ago

6 0

Answer: a light wave

Explanation: a pex

Alex3 years ago

3 0

Answer:

Its a wave

Explanation:

THis is one

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VB − VA = g tAB & (VA + VB)/2 = h / tAB

Explanation:

s = h = Displacement

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$s=ut+\frac{1}{2}at^2\\\Rightarrow u=\frac{s-\frac{1}{2}at^2}{t}\\\Rightarrow u=\frac{3.8-\frac{1}{2}\times 9.8\times 0.02^2}{0.02}\\\Rightarrow u=189.902\ m/s$

$v=u+at\\\Rightarrow v=189.902+9.8\times 0.02\\\Rightarrow v=190.098\ m/s$

$\frac{v+u}{2}=\frac{190.098+189.902}{2}=190\ s$

$\frac{h}{t}=\frac{3.8}{0.02}=190\ s$

Hence, the equations VB − VA = g tAB & (VA + VB)/2 = h / tAB will be used

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