If he dropped them both at the same time, then as close as anyone could tell, they both hit the ground at the same time.
I think the answer its false i dont know how to explain that but it is false that what my teacher told me
In short: Electromagnetic radiation is energy that is propagated in the form of electromagnetic waves
Best example of electromagnetic radiation is sunlight. Vsible light of sunlight is only a small portion of the EM spectrum. EM radiation is a form of energy that takes many forms, f.e.: microwaves, radiowaves, etc.
Answer:
![t=0.0107\ \text{s}](https://tex.z-dn.net/?f=t%3D0.0107%5C%20%5Ctext%7Bs%7D)
Explanation:
![x=10\cos(6t)](https://tex.z-dn.net/?f=x%3D10%5Ccos%286t%29)
Now ![x=8\ \text{cm}](https://tex.z-dn.net/?f=x%3D8%5C%20%5Ctext%7Bcm%7D)
Substituting the value of
in the equation we get
![8=10\cos6t](https://tex.z-dn.net/?f=8%3D10%5Ccos6t)
![\Rightarrow 0.8=\cos6t](https://tex.z-dn.net/?f=%5CRightarrow%200.8%3D%5Ccos6t)
![\Rightarrow \cos^{-1}0.8=6t](https://tex.z-dn.net/?f=%5CRightarrow%20%5Ccos%5E%7B-1%7D0.8%3D6t)
the values here are used found in radians
![\Rightarrow t=0.0107\ \text{s}](https://tex.z-dn.net/?f=%5CRightarrow%20t%3D0.0107%5C%20%5Ctext%7Bs%7D)
So, at
the value of
.