Explanation:
It is given that,
Initial speed of sprinter, u = 0
Final speed of sprinter, v = 10 m/s
Time taken, t = 1.28 s
a. We need to find the acceleration of sprinter. It can be calculated using first equation of motion as :
![a=\dfrac{v-u}{t}](https://tex.z-dn.net/?f=a%3D%5Cdfrac%7Bv-u%7D%7Bt%7D)
![a=\dfrac{10\ m/s}{1.28\ s}](https://tex.z-dn.net/?f=a%3D%5Cdfrac%7B10%5C%20m%2Fs%7D%7B1.28%5C%20s%7D)
![a=7.81\ m/s^2](https://tex.z-dn.net/?f=a%3D7.81%5C%20m%2Fs%5E2)
b. Final speed of the sprinter, v = 36 km/h
Time, t = 0.000355 h
Acceleration, ![a=\dfrac{36}{0.000355}](https://tex.z-dn.net/?f=a%3D%5Cdfrac%7B36%7D%7B0.000355%7D)
![a=101408.45\ km/h^2](https://tex.z-dn.net/?f=a%3D101408.45%5C%20km%2Fh%5E2)
Hence, this is the required solution.
The amount of force an object has will change the velocity
Splitting<span> atoms. 'Fission' is another word for </span>splitting<span>. The process of </span>splitting<span> a nucleus is called nuclear fission. ... For fission to happen, the </span>uranium-235<span> or plutonium-239 nucleus must first absorb a neutron.</span>
multiply the six sides of the cube(LB), since length is 2000, then breadth will be 2000 also
Answer:3764.282 KPa
Explanation:
Given gusher shoots oil at h=25 m
i.e. the velocity of jet is
v=\sqrt{2gh}[/tex]
v=22.147 m/s
Now the pressure loss in pipe is given by hagen poiseuille equation
![\Delta P=\frac{32L\mu v}{D^2}](https://tex.z-dn.net/?f=%5CDelta%20P%3D%5Cfrac%7B32L%5Cmu%20v%7D%7BD%5E2%7D)
![\Delta P=\frac{32\times 50\times 22.147\times 1}{10^{-2}}](https://tex.z-dn.net/?f=%5CDelta%20P%3D%5Cfrac%7B32%5Ctimes%2050%5Ctimes%2022.147%5Ctimes%201%7D%7B10%5E%7B-2%7D%7D)
![\Delta P=3543.557 KPa](https://tex.z-dn.net/?f=%5CDelta%20P%3D3543.557%20KPa)
For 25 m head in terms of Pressure
![\Delta P_2=\rho \times g\times h=220.725 KPa](https://tex.z-dn.net/?f=%5CDelta%20P_2%3D%5Crho%20%5Ctimes%20g%5Ctimes%20h%3D220.725%20KPa)
Total Pressure=
=3543.557+220.725=3764.282 KPa