Answer:
D air
Explanation:
it is not found on the periodic table
brainliest plsssssssssssssssss
Answer:
The force is ![F = 1041.7N](https://tex.z-dn.net/?f=F%20%3D%201041.7N)
Explanation:
The moment of Inertia I is mathematically evaluated as
![I = MR_A^2](https://tex.z-dn.net/?f=I%20%3D%20MR_A%5E2)
Substituting
for M(Mass of the wheel) and
for
(Radius of wheel)
![I = 1.9 * 0.33^2](https://tex.z-dn.net/?f=I%20%3D%201.9%20%2A%200.33%5E2)
![= 0.207kgm^2](https://tex.z-dn.net/?f=%3D%200.207kgm%5E2)
The torque on the wheel due to net force is mathematically represented as
![\tau = FR_B - F_rR_A](https://tex.z-dn.net/?f=%5Ctau%20%3D%20FR_B%20%20-%20F_rR_A)
Substituting 135 N for
(Force acting on sprocket),
for
(radius of the chain) and F is the force acting on the sprocket due to the chain which is unknown for now
![\tau = F (0.0435) - 135 (0.33)](https://tex.z-dn.net/?f=%5Ctau%20%3D%20F%20%280.0435%29%20-%20135%20%280.33%29)
This same torque due to the net force is the also the torque that is required to rotate the wheel to have an angular acceleration of
and this torque can also be represented mathematically as
![\tau = \alpha I](https://tex.z-dn.net/?f=%5Ctau%20%3D%20%5Calpha%20I)
Now equating the two equation for torque
Making F the subject
![F = \frac{\alpha I + (135*0.33) }{0.0435}](https://tex.z-dn.net/?f=F%20%3D%20%5Cfrac%7B%5Calpha%20I%20%2B%20%28135%2A0.33%29%20%7D%7B0.0435%7D)
Substituting values
![F = \frac{(3.70 * 0.207) + (135*0.33)}{0.0435}](https://tex.z-dn.net/?f=F%20%3D%20%5Cfrac%7B%283.70%20%2A%200.207%29%20%20%2B%20%28135%2A0.33%29%7D%7B0.0435%7D)
![= 1041.7N](https://tex.z-dn.net/?f=%3D%201041.7N)
<h3>Given, </h3>
Force,F = 4000 N
Area,a = 50 m²
<h3>We know that, </h3>
Pressure = Force/Area
★ Putting the values in the above formula,we get:
![\sf \rightarrow \: pressure = \dfrac{4000}{50}](https://tex.z-dn.net/?f=%20%5Csf%20%5Crightarrow%20%5C%3A%20pressure%20%3D%20%20%5Cdfrac%7B4000%7D%7B50%7D%20)
![\sf \rightarrow pressure = 80 \: N {m}^{ - 2}](https://tex.z-dn.net/?f=%20%5Csf%20%5Crightarrow%20pressure%20%3D%2080%20%5C%3A%20N%20%7Bm%7D%5E%7B%20-%202%7D%20)
MEMORIZED E=h*v h=6.626x10-34J*s INFORMED v=7.21x1014S-1CALCULATE E=h*v E=(6.626x10-34J*s)*(7.21x1014s-1) The "s" cancels out. s-1=1/s so you get s/s so you are left with Solution 4.78 10-19 J OR .478 aJ <span>Apex - 467 nm ^.^ hopefully thats the correct thing</span>