Its an example of negative acceleration since the car is decelerating to approach the stop sign
Answer:
a) 1.5 × 10² kPa
b) 16.9/8.1
Explanation:
a) The pressure of the front tires is 22 psi. The appropriate conversion factor is 1 psi = 6.89 kPa. The pressure of the tires in kPa is:
22 psi × (6.89 kPa / 1 psi) = 1.5 × 10² kPa
b) Regarding the blood pressure, the minimun reading is 61 mmHg and the maximum reading is 127 mmHg. The appropriate conversion factor is 1 kPa = 7.50 mmHg. The blood pressure in kPa is:
61 mmHg × (1 kPa / 7.50 mmHg) = 8.1 kPa
127 mmHg × (1 kPa / 7.50 mmHg) = 16.9 kPa
Vapor lock
If your engine begins to lose power, run rough, stall, or refuse to start when traveling at high altitudes, your vehicle may be suffering from Vapor lock.
<h3>How is vapor lock fixed?</h3>
- By first pressing the accelerator pedal slightly (but not all the way to the floor) while starting the engine, you can aid in the removal of any vapor that may have remained in the fuel system after it has cooled.
- Hold down the accelerator pedal once the engine fires up until the car moves smoothly, which shows the vapor lock has passed.
<h3>What brings about a vapor lock?</h3>
- When fuel boils in the carburetor or fuel line, vapor lock results.
- Fuel that has vaporized stops gas from reaching your engine by creating back pressure in your fuel system.
- It frequently happens after idling or after turning off and back on a vehicle.
<h3>What is the duration of vapor lock?</h3>
- The heat builds up toward the gasoline lines as you shut down.
- Fuel in the lines could begin to evaporate in the absence of airflow through the cowling.
- Vapor lock typically occurs when you try to restart your aircraft after a sharp turn (shut down and restart after about 30 minutes).
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- The complexity of Earth is beyond the capabilities of computer simulations.
- Numerous assumptions that must be made by computer models have a big impact on the forecasts they produce.
- A computer model can incorporate historical climate data, but it is not possible to draw assumptions about future climates using this data in any way.
- A computer model cannot distinguish between anthropogenic climate change and natural climatic fluctuations.
<h3>How precise are temperature forecasts made by climate models?</h3>
The forecasting of global surface temperatures is one of the most significant results of climate models.
Scientists evaluate the effectiveness of their models by contrasting observations of the Earth's climate with predictions of future temperatures and "hindcasts" of past temperatures. Then, by comparing specific climate models and the average of all models to actual warming, scientists may determine whether temperature projections are accurate.
Researchers can have more faith that models can effectively predict future changes in the same factors if they successfully simulate the climate response in the past.
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