Two cars move uniformly at speeds ∨₁ = 30 km / h and ∨₂ = 40 km / h on straight roads located perpendicularly.
| December 1, 2020 | education
Two cars move uniformly at speeds ∨₁ = 30 km / h and ∨₂ = 40 km / h on straight roads located perpendicularly. After what time interval delta t after passing the intersection simultaneously, the distance between the cars will become L = 50 km / h?
∨₁ – ∨₂ = 40 – 30 = 10 (km / h) – the difference between the speed of cars
50/10 = 5 (h) after this time the distance between the cars will be 50 km
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