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Elis [28]
3 years ago
6

The distance between two stations is 180 km. A train takes 2 hours to cover this distance. The speed of the train in m/sec is...

...please help i rlly need it ....Please
Physics
1 answer:
Mamont248 [21]3 years ago
4 0

Answer:

Av = 25 [m/s]

Explanation:

To solve this problem we must use the definition of speed, which is defined as the relationship between distance over time. for this case we have.

Av=\frac{distance}{time}

where:

Av = speed [km/h] or [m/s]

distance = 180 [km]

time = 2 [hr]

Therefore the speed is equal to:

Av = \frac{180}{2} \\Av = 90 [km/h]

Now we must convert from kilometers per hour to meters per second

90[\frac{km}{h}]*1000[\frac{m}{1km}]*1[\frac{h}{3600s} ]= 25 [m/s]

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