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Speedometer measures the speed of the ca...

Speedometer measures the speed of the car in

A

`m s^(-1)`

B

`km h^(-1)`

C

`cm s^(-1)`

D

`km min^(-1)`

Text Solution

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The correct Answer is:
To solve the question regarding the speedometer of a car, we need to identify the unit of measurement that it uses to display speed. ### Step-by-Step Solution: 1. **Understanding Speed Measurement**: Speed is defined as the distance traveled per unit of time. It can be expressed in various units, such as meters per second (m/s), kilometers per hour (km/h), centimeters per second (cm/s), and kilometers per minute (km/min). 2. **Identifying Common Units for Vehicles**: For vehicles like cars, the most commonly used unit for measuring speed is kilometers per hour (km/h). This unit indicates how many kilometers a vehicle travels in one hour. 3. **Analyzing the Options**: The question provides several options: - Meter per second (m/s) - Kilometer per hour (km/h) - Centimeter per second (cm/s) - Kilometer per minute (km/min) 4. **Selecting the Correct Option**: Among these options, the speedometer of a car typically measures speed in kilometers per hour (km/h). Therefore, the correct answer is: - **Kilometers per hour (km/h)** 5. **Conclusion**: The speedometer of a car measures speed in kilometers per hour (km/h). ### Final Answer: The speedometer measures the speed of the car in **kilometers per hour (km/h)**. ---
To solve the question regarding the speedometer of a car, we need to identify the unit of measurement that it uses to display speed. ### Step-by-Step Solution: 1. **Understanding Speed Measurement**: Speed is defined as the distance traveled per unit of time. It can be expressed in various units, such as meters per second (m/s), kilometers per hour (km/h), centimeters per second (cm/s), and kilometers per minute (km/min). 2. **Identifying Common Units for Vehicles**: For vehicles like cars, the most commonly used unit for measuring speed is kilometers per hour (km/h). This unit indicates how many kilometers a vehicle travels in one hour. ...
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