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The speedometer of a car measures

  • a)
    average speed

  • b)
    instantaneous speed

  • c)
    acceleration

  • d)
    none of the

Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The speedometer of a car measuresa)average speedb)instantaneous speedc...
Speedometer Measurement



  • Instantaneous Speed: The speedometer of a car measures the instantaneous speed at any given moment.

  • It provides a real-time reading of how fast the car is moving at that particular moment.

  • This measurement is important for drivers to ensure they are following speed limits and driving safely.

  • It helps drivers make adjustments to their speed based on road conditions, traffic, and other factors.

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Most Upvoted Answer
The speedometer of a car measuresa)average speedb)instantaneous speedc...
The Speedometer of a Car Measures Instantaneous Speed

The speedometer of a car is a device that measures and displays the speed at which the car is traveling. It provides the driver with information about how fast the car is moving at any given moment. The correct answer to the question is option 'B', which states that the speedometer measures instantaneous speed.


Explanation:

The speedometer in a car is designed to measure the instantaneous speed, also known as the current speed or the speed at a particular moment in time. Instantaneous speed refers to the rate at which an object is moving at a specific instant or point in time. It provides the most up-to-date information about how fast the car is traveling.


Key Points:
- The speedometer in a car is connected to the car's transmission or wheels and uses various mechanisms to calculate and display the speed.
- It typically consists of a needle or a digital display that shows the speed in units of kilometers per hour (km/h) or miles per hour (mph).
- The speedometer obtains the speed information from a sensor, which measures the rotation of the car's wheels or the output of the transmission.
- The sensor sends signals to the speedometer, which then converts these signals into a speed reading.
- The speedometer updates the speed continuously as the car accelerates, decelerates, or maintains a constant speed.
- It provides real-time information to the driver, allowing them to monitor their speed and adhere to speed limits or adjust their driving behavior accordingly.
- The speedometer does not measure average speed, which is calculated by dividing the total distance traveled by the total time taken.
- Similarly, it does not measure acceleration, which refers to the rate of change of speed over time.
- While the speedometer provides valuable information about the car's speed, it is essential for drivers to use this information responsibly and drive safely within the legal speed limits and prevailing road conditions.

Therefore, the correct answer is option 'B', as the speedometer of a car measures instantaneous speed.
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Community Answer
The speedometer of a car measuresa)average speedb)instantaneous speedc...
•instantaneous speed is the speed which is continuously changing.
•as the speed of the car is continuously changing •then the speedometer will calculate the instantaneous speed.
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