Several short trips taken from a cold start can use ...twice... as much fuel as a longer multi-purpose trip covering the same distance when the engine is warm.
In cold weather, properly designed gasoline aids in engine starting, while in hot weather, it helps prevent vapor lock. In order to meet the requirements of a modern engine, the fuel must have the volatility for which the engine's fuel system was built and an antiknock quality strong enough to prevent knock during routine operation.
During the intake phase, the air and fuel are combined before being introduced into the cylinder. The spark ignites the fuel-air mixture after the piston compresses it, resulting in combustion. During the power stroke, the piston is propelled by the expansion of the combustion gases.
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The evidence of this research is published in the scientific journal Nature communication.
<u>Explanation:</u>
Our solar system shaped about 4.5 billion years prior from a thick haze of interstellar gas and residue. The cloud crumbled, potentially due to the shock wave of a close by detonating star, called a supernova. At the point when this residue cloud crumbled, it framed a sun powered cloud—a turning, whirling plate of material.
The research is distributed in the latest issue of journal Nature Communications. About 4.6 billion years prior, a haze of gas and residue that in the end framed our nearby planetary group was upset. The following gravitational breakdown framed the proto-Sun with an encompassing plate where the planets were conceived.
Answer:
A compass works by detecting and responding to the Earth's natural magnetic fields. The Earth has an iron core that is part liquid and part solid crystal, due to gravitational pressure. It is believed that movement in the liquid outer core is what produces the Earth's magnetic field.
Explanation:
Answer:
<em>20.08 Volts</em>
Explanation:
<u>Parallel Connection of Capacitors</u>
The voltage across any two elements connected in parallel is the same. If the elements are capacitors, then each voltage is
![\displaystyle V_1=\frac{Q_1}{C_1}](https://tex.z-dn.net/?f=%5Cdisplaystyle%20V_1%3D%5Cfrac%7BQ_1%7D%7BC_1%7D)
![\displaystyle V_2=\frac{Q_2}{C_2}](https://tex.z-dn.net/?f=%5Cdisplaystyle%20V_2%3D%5Cfrac%7BQ_2%7D%7BC_2%7D)
They are both the same after connecting them, thus
![\displaystyle \frac{Q_2}{C_2}=\frac{Q_1}{C_1}](https://tex.z-dn.net/?f=%5Cdisplaystyle%20%5Cfrac%7BQ_2%7D%7BC_2%7D%3D%5Cfrac%7BQ_1%7D%7BC_1%7D)
Or, equivalently
![\displaystyle Q_2=\frac{C_2Q_1}{C_1}](https://tex.z-dn.net/?f=%5Cdisplaystyle%20Q_2%3D%5Cfrac%7BC_2Q_1%7D%7BC_1%7D)
The total charge of both capacitors is
![\displaystyle Q_t=Q_1\left(1+\frac{C_2}{C_1}\right)](https://tex.z-dn.net/?f=%5Cdisplaystyle%20Q_t%3DQ_1%5Cleft%281%2B%5Cfrac%7BC_2%7D%7BC_1%7D%5Cright%29)
We can compute the total charge by using the initial conditions where both capacitors were disconnected:
![Q_t=V_{10}C_1+V_{20}C_2=25\cdot 24+13\cdot 11=743\ \mu C](https://tex.z-dn.net/?f=Q_t%3DV_%7B10%7DC_1%2BV_%7B20%7DC_2%3D25%5Ccdot%2024%2B13%5Ccdot%2011%3D743%5C%20%5Cmu%20C)
Now we compute Q1 from the equation above
![\displaystyle Q_1=\frac{Q_t}{\left(1+\frac{C_2}{C_1}\right)}=\frac{743}{\left(1+\frac{13}{24}\right)}=481.95\ \mu C](https://tex.z-dn.net/?f=%5Cdisplaystyle%20Q_1%3D%5Cfrac%7BQ_t%7D%7B%5Cleft%281%2B%5Cfrac%7BC_2%7D%7BC_1%7D%5Cright%29%7D%3D%5Cfrac%7B743%7D%7B%5Cleft%281%2B%5Cfrac%7B13%7D%7B24%7D%5Cright%29%7D%3D481.95%5C%20%5Cmu%20C)
The final voltage of any of the capacitors is
![\displaystyle V_1=V_2=\frac{481.95}{24}=20.08\ V](https://tex.z-dn.net/?f=%5Cdisplaystyle%20V_1%3DV_2%3D%5Cfrac%7B481.95%7D%7B24%7D%3D20.08%5C%20V)