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# algebra

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A 1 km long train travelling at a speed of 60km/h enter a tunnel 1km long. What time will the train take to come out of the tunnel fully.​

Feb 7, 2021

#1
+11860
+2

A 1 km long train travelling at a speed of 60km/h enter a tunnel 1km long. What time will the train take to come out of the tunnel fully.​

Hello Guest!

$$t=\dfrac{s}{v}=\dfrac{(1km+1km)\cdot h}{60km}\cdot \dfrac{60min}{h}=\color{blue}2min$$

The train passed the tunnel after 2 minutes.

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Feb 7, 2021

#1
+11860
+2

A 1 km long train travelling at a speed of 60km/h enter a tunnel 1km long. What time will the train take to come out of the tunnel fully.​

Hello Guest!

$$t=\dfrac{s}{v}=\dfrac{(1km+1km)\cdot h}{60km}\cdot \dfrac{60min}{h}=\color{blue}2min$$

The train passed the tunnel after 2 minutes.

/

asinus Feb 7, 2021