To the picture the answer is A. I can’t answer the typed question because I need the picture for the box
Explanation:
We will use the equations of constant acceleration to find out
and time t.
As we know that the initial speed is zero. So
(a)
![v_{0x} = 0](https://tex.z-dn.net/?f=v_%7B0x%7D%20%3D%200)
×
m
×
m/s
![v^{2} _{x} = v^{2} _{x_{o} } + 2a_{x} (x - x_{o} )](https://tex.z-dn.net/?f=v%5E%7B2%7D%20_%7Bx%7D%20%3D%20%20v%5E%7B2%7D%20_%7Bx_%7Bo%7D%20%7D%20%2B%202a_%7Bx%7D%20%28x%20-%20x_%7Bo%7D%20%29)
![a_{x} = \frac{v^{2} _{x} - v^{2} _{ox} }{2(x - x_{o}) }](https://tex.z-dn.net/?f=a_%7Bx%7D%20%3D%20%5Cfrac%7Bv%5E%7B2%7D%20_%7Bx%7D%20-%20v%5E%7B2%7D%20_%7Box%7D%20%7D%7B2%28x%20-%20x_%7Bo%7D%29%20%7D)
= ![\frac{(3.3 * 10^{6})^{2} - 0 }{2(1.25 * 10^{-2}) }](https://tex.z-dn.net/?f=%5Cfrac%7B%283.3%20%2A%2010%5E%7B6%7D%29%5E%7B2%7D%20%20-%200%20%7D%7B2%281.25%20%2A%2010%5E%7B-2%7D%29%20%7D)
= 4.356×
m/s²
(b)
![v_{x} = v_{ox} + a_{x}t](https://tex.z-dn.net/?f=v_%7Bx%7D%20%3D%20v_%7Box%7D%20%2B%20a_%7Bx%7Dt)
![t = v_{x} - vo_{x}/a_{x}](https://tex.z-dn.net/?f=t%20%3D%20v_%7Bx%7D%20-%20vo_%7Bx%7D%2Fa_%7Bx%7D)
= 6.8870×
s
(c)
Σ![F_{x} = ma_{x}](https://tex.z-dn.net/?f=F_%7Bx%7D%20%3D%20ma_%7Bx%7D)
= (9.11×
)(4.356×
m/s²)
= 3.968×
N
Infrared radiation <span>is sensed by human skin as warmth.</span>
Certain electrons in the dye molecule move to a higher energy level, with the difference in energy between the lower and higher energy levels being the same as the energy of the absorbed photons.