How will you use the concept of uniform motion to measure the length of a street?
Answer (2)
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Materials neededA vehicle (e.g., car, bike, or skateboard) with a constant speedometer readingA stopwatch or timer appA calculatorProcedureChoose a vehicle. Select a vehicle that can maintain a constant speed.Measure the speed. Record the speed of the vehicle using the speedometer. Let's say the speed is 20 km/h.Convert speed to meters per second. Convert the speed from km/h to m/s. There are 1000 meters in a kilometer, so: 20 km/h = 20,000 m/3600 s ≈ 5.56 m/sMeasure the time. Have someone drive the vehicle at a constant speed along the street while another person measures the time it takes to travel the length of the street using a stopwatch or timer app. Let's say the time is 120 seconds.Calculate the distance. Use the formula for uniform motion: distance = speed × time. Plug in the values: distance = 5.56 m/s × 120 s ≈ 667.2 metersResultThe length of the street is approximately 667.2 meters.
