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(a) A car travels at \( 80 \mathrm{~km} / \mathrm{h} \). (1) How long does it take to travel 320 km ? (2) How far will the car travel in 10 hours? (3) Convert this rate \( (80 \mathrm{~km} / \mathrm{h}) \) to a rate measured in \( \mathrm{m} / \mathrm{s} \).

Ask by Olson Barber. in South Africa
Mar 13,2025

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1. It takes 4 hours to travel 320 km. 2. The car will travel 800 km in 10 hours. 3. The speed is approximately 22.22 meters per second.

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To find out how long it takes to travel 320 km at a speed of 80 km/h, we can use the formula: time = distance/speed. So, time = 320 km / 80 km/h = 4 hours. Next, to determine how far the car will travel in 10 hours, we use the formula: distance = speed × time. Therefore, distance = 80 km/h × 10 hours = 800 km. Lastly, to convert 80 km/h into meters per second, we can use the conversion factor 1 km/h = 0.27778 m/s. Thus, 80 km/h × 0.27778 m/s = approximately 22.22 m/s. Happy driving!

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