Answer:
Space Cushion
Explanation:
Having an adequate Space Cushion provides a driver with the time and space necessary to react to potential and immediate hazards in the driving scene.
Answer:
A range from 5,000 miles to 7,500 miles, on average. Some recommended intervals may be shorter or longer.
Answer:
0.948 Btu
Explanation:
1 Btu = 1055 J so
= 0.948 Btu
Answer:
yh and I said aaaaaaaaaaaa
Explanation:
Answer:
The major and minor stresses are as 2060.59 psf, -310.59 psf and 1185.59 psf.
Explanation:
The major and minor principal stresses are given as follows:
![\sigma_{max}=\dfrac{\sigma_x+\sigma_y}{2}+\sqrt{\left(\dfrac{\sigma_x-\sigma_y}{2}\right)^2+\tau_{xy}^2}](https://tex.z-dn.net/?f=%5Csigma_%7Bmax%7D%3D%5Cdfrac%7B%5Csigma_x%2B%5Csigma_y%7D%7B2%7D%2B%5Csqrt%7B%5Cleft%28%5Cdfrac%7B%5Csigma_x-%5Csigma_y%7D%7B2%7D%5Cright%29%5E2%2B%5Ctau_%7Bxy%7D%5E2%7D)
![\sigma_{min}=\dfrac{\sigma_x+\sigma_y}{2}-\sqrt{\left(\dfrac{\sigma_x-\sigma_y}{2}\right)^2+\tau_{xy}^2}](https://tex.z-dn.net/?f=%5Csigma_%7Bmin%7D%3D%5Cdfrac%7B%5Csigma_x%2B%5Csigma_y%7D%7B2%7D-%5Csqrt%7B%5Cleft%28%5Cdfrac%7B%5Csigma_x-%5Csigma_y%7D%7B2%7D%5Cright%29%5E2%2B%5Ctau_%7Bxy%7D%5E2%7D)
Here
is the normal stress which is 1750 psf
is 0
is the shear stress which is 800 psf
So the formula becomes
![\sigma_{max}=\dfrac{\sigma_x+\sigma_y}{2}+\sqrt{\left(\dfrac{\sigma_x-\sigma_y}{2}\right)^2+\tau_{xy}^2}\\\sigma_{max}=\dfrac{1750+0}{2}+\sqrt{\left(\dfrac{1750-0}{2}\right)^2+(800)^2}\\\sigma_{max}=875+\sqrt{\left(875)^2+(800)^2} \\\sigma_{max}=875+\sqrt{765625+640000}\\\sigma_{max}=875+1185.59\\\sigma_{max}=2060.59 \text{psf}](https://tex.z-dn.net/?f=%5Csigma_%7Bmax%7D%3D%5Cdfrac%7B%5Csigma_x%2B%5Csigma_y%7D%7B2%7D%2B%5Csqrt%7B%5Cleft%28%5Cdfrac%7B%5Csigma_x-%5Csigma_y%7D%7B2%7D%5Cright%29%5E2%2B%5Ctau_%7Bxy%7D%5E2%7D%5C%5C%5Csigma_%7Bmax%7D%3D%5Cdfrac%7B1750%2B0%7D%7B2%7D%2B%5Csqrt%7B%5Cleft%28%5Cdfrac%7B1750-0%7D%7B2%7D%5Cright%29%5E2%2B%28800%29%5E2%7D%5C%5C%5Csigma_%7Bmax%7D%3D875%2B%5Csqrt%7B%5Cleft%28875%29%5E2%2B%28800%29%5E2%7D%20%5C%5C%5Csigma_%7Bmax%7D%3D875%2B%5Csqrt%7B765625%2B640000%7D%5C%5C%5Csigma_%7Bmax%7D%3D875%2B1185.59%5C%5C%5Csigma_%7Bmax%7D%3D2060.59%20%5Ctext%7Bpsf%7D)
Similarly, the minimum normal stress is given as
![\sigma_{min}=\dfrac{\sigma_x+\sigma_y}{2}-\sqrt{\left(\dfrac{\sigma_x-\sigma_y}{2}\right)^2+\tau_{xy}^2}\\\sigma_{min}=\dfrac{1700+0}{2}-\sqrt{\left(\dfrac{1700-0}{2}\right)^2+(800)^2}\\\sigma_{min}=875-\sqrt{(875)^2+(800)^2}\\\sigma_{min}=875-\sqrt{765625+640000}\\\sigma_{min}=875-1185.59\\\sigma_{min}=-310.59 \text{ psf}](https://tex.z-dn.net/?f=%5Csigma_%7Bmin%7D%3D%5Cdfrac%7B%5Csigma_x%2B%5Csigma_y%7D%7B2%7D-%5Csqrt%7B%5Cleft%28%5Cdfrac%7B%5Csigma_x-%5Csigma_y%7D%7B2%7D%5Cright%29%5E2%2B%5Ctau_%7Bxy%7D%5E2%7D%5C%5C%5Csigma_%7Bmin%7D%3D%5Cdfrac%7B1700%2B0%7D%7B2%7D-%5Csqrt%7B%5Cleft%28%5Cdfrac%7B1700-0%7D%7B2%7D%5Cright%29%5E2%2B%28800%29%5E2%7D%5C%5C%5Csigma_%7Bmin%7D%3D875-%5Csqrt%7B%28875%29%5E2%2B%28800%29%5E2%7D%5C%5C%5Csigma_%7Bmin%7D%3D875-%5Csqrt%7B765625%2B640000%7D%5C%5C%5Csigma_%7Bmin%7D%3D875-1185.59%5C%5C%5Csigma_%7Bmin%7D%3D-310.59%20%5Ctext%7B%20psf%7D)
The maximum shear stress is given as
![\tau_{max}=\dfrac{\sigma_{max}-\sigma_{min}}{2}\\\tau_{max}=\dfrac{2060.59-(-310.59)}{2}\\\tau_{max}=\dfrac{2371.18}{2}\\\tau_{max}=1185.59 \text{psf}](https://tex.z-dn.net/?f=%5Ctau_%7Bmax%7D%3D%5Cdfrac%7B%5Csigma_%7Bmax%7D-%5Csigma_%7Bmin%7D%7D%7B2%7D%5C%5C%5Ctau_%7Bmax%7D%3D%5Cdfrac%7B2060.59-%28-310.59%29%7D%7B2%7D%5C%5C%5Ctau_%7Bmax%7D%3D%5Cdfrac%7B2371.18%7D%7B2%7D%5C%5C%5Ctau_%7Bmax%7D%3D1185.59%20%5Ctext%7Bpsf%7D)