Answer:
Haha I'm a great guy but my friend has been in a day of the day and a lot to be able and I'm happy holi and a lot to the world of the day and day to
Answer:
total time = 304.21 s
Explanation:
given data
y = 50% = 0.5
n = 1.1
t = 114 s
y = 1 - exp(-kt^n)
solution
first we get here k value by given equation
y = 1 -
...........1
put here value and we get
0.5 = 1 - e^{(-k(114)^{1.1})}
solve it we get
k = 0.003786 = 37.86 ×
so here
y = 1 -
1 - y =
take ln both side
ln(1-y) = -k ×
so
t =
.............2
now we will put the value of y = 87% in equation with k and find out t
t = ![\sqrt[1.1]{-\frac{ln(1-0.87)}{37.86*10^{-4}}}](https://tex.z-dn.net/?f=%5Csqrt%5B1.1%5D%7B-%5Cfrac%7Bln%281-0.87%29%7D%7B37.86%2A10%5E%7B-4%7D%7D%7D)
total time = 304.21 s
Answer: To show his father what he had done
Explanation:
Percy Jackson is the son of the great Greek god of the seas, Poseidon. He did not however, know this for a long time. After he finds out, his life becomes more exciting as he embarks on many adventures.
According to Grover who is his best friend and guardian, Percy sent Medusa's head to Mount Olympus to show his father what he had done so that Poseidon would acknowledge and be proud of him.
Answer:
The mean effective pressure of the Otto cycle is 31.268 psi
Explanation:
The mean effective pressure is obtained by dividing the work done in the working stroke process of the cycle by the volume of the stroke ar the stroke volume.
In the Otto cycle, therefore, we are to apply an expression for the work done and the volume of the Otto cycle stroke to derive the value of the mean effective pressure as follows.
Here we have the mean effective pressure given by
MEP ![\frac{w_{net}}{\alpha _1 - \alpha_1 }](https://tex.z-dn.net/?f=%5Cfrac%7Bw_%7Bnet%7D%7D%7B%5Calpha%20_1%20-%20%5Calpha_1%20%7D)
![= \frac{Heat\, Supplied - Rejected \, Heat}{\alpha_1 -\frac{\alpha_1 }{r} }](https://tex.z-dn.net/?f=%3D%20%5Cfrac%7BHeat%5C%2C%20Supplied%20-%20Rejected%20%5C%2C%20Heat%7D%7B%5Calpha_1%20-%5Cfrac%7B%5Calpha_1%20%7D%7Br%7D%20%20%7D)
= ![\frac{q_{in} -q_{out}}{\alpha_1-\frac{\alpha_1 }{r} }](https://tex.z-dn.net/?f=%5Cfrac%7Bq_%7Bin%7D%20-q_%7Bout%7D%7D%7B%5Calpha_1-%5Cfrac%7B%5Calpha_1%20%7D%7Br%7D%20%20%7D)
![=\frac{P_1}{RT_1} \frac{r}{r-1} (c_v(T_3-T_2)-c_v(T_4 - T_1))](https://tex.z-dn.net/?f=%3D%5Cfrac%7BP_1%7D%7BRT_1%7D%20%5Cfrac%7Br%7D%7Br-1%7D%20%28c_v%28T_3-T_2%29-c_v%28T_4%20-%20T_1%29%29)
![=\frac{P_1}{RT_1} \frac{c_v r}{r-1} (T_3(1-r^{1-k})+T_1(1 - r^{k-1}))](https://tex.z-dn.net/?f=%3D%5Cfrac%7BP_1%7D%7BRT_1%7D%20%5Cfrac%7Bc_v%20r%7D%7Br-1%7D%20%28T_3%281-r%5E%7B1-k%7D%29%2BT_1%281%20-%20r%5E%7Bk-1%7D%29%29)
= ![=\frac{14\cdot 0.171 \cdot 9}{(9-1)\cdot 0.06855 \cdot 520} (1960(1-9^{1-1.4})+520(1-9^{1.4-1}))](https://tex.z-dn.net/?f=%3D%5Cfrac%7B14%5Ccdot%200.171%20%5Ccdot%209%7D%7B%289-1%29%5Ccdot%200.06855%20%5Ccdot%20520%7D%20%281960%281-9%5E%7B1-1.4%7D%29%2B520%281-9%5E%7B1.4-1%7D%29%29)
31.268 psi.
The maximum Speed of the Sprinter from the velocity time graph of his motion is; 11.98 m/s
<h3>How to find the maximum speed?</h3>
We are given;
Initial Speed; u = 2.5 s
Total distance; d = 100 m
Total time; T = 9.6 s
The total distance is;
d = ¹/₂(9.6 + (9.6 - 2.5) * v
where v is maximum speed.
Thus;
¹/₂(9.6 + (9.6 - 2.5) * v = 100
16.7v = 200
v = 200/16.7
v = 11.98 m/s
Read more about Maximum Speed at; brainly.com/question/4931057
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