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How to Measure the Speed of various objects? Video Lecture | Science Class 7 (Old NCERT)
FAQs on How to Measure the Speed of various objects? Video Lecture - Science Class 7 (Old NCERT)
| 1. What are the common methods to measure the speed of moving objects? |  |
Ans.Common methods to measure the speed of moving objects include using a speedometer for vehicles, radar guns for sports, GPS devices for outdoor activities, and timing gates for track and field events. Each method has its advantages depending on the type of object and the required accuracy.
| 2. How can I measure the speed of a bicycle? | |
Ans.To measure the speed of a bicycle, you can use a bike speedometer that attaches to the wheel and calculates speed based on wheel rotation. Alternatively, you can use a GPS device or smartphone app to track your distance and time, allowing you to calculate your speed.
| 3. What tools can be used to measure the speed of a car? | |
Ans.Tools used to measure the speed of a car include a built-in speedometer, GPS devices, and radar or laser speed guns used by law enforcement. Additionally, mobile apps that track speed based on GPS data can also provide accurate readings.
| 4. How do I calculate the speed of an object using distance and time? | |
Ans.Speed can be calculated using the formula: Speed = Distance / Time. Measure the total distance traveled by the object and the time it took to cover that distance. Divide the distance by the time to obtain the speed, typically measured in meters per second (m/s) or kilometers per hour (km/h).
| 5. Can I measure the speed of an object with a smartphone? | |
Ans.Yes, you can measure the speed of an object with a smartphone using GPS-based apps designed for tracking speed. Many fitness apps and navigation software can calculate speed based on your location changes over time, providing a convenient way to monitor speed while moving.
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Oct 05, 2025
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