milkshakegrande101
29.08.2019 •
Physics
How long can you afford to stop for lunch if you can drive a steady 90 km/h on the highway and must take a 225 km trip in 210 min?
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Ответ:
1 hour
Explanation:
The trip is 225 km long, and your speed is 90 km/h. The time it takes to complete the trip without stopping is:
t = (225 km) / (90 km/h)
t = 2.5 hours
t = 150 minutes
You must complete the trip is 210 minutes, so you can afford to stop for 60 minutes, or 1 hour.
Ответ: