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Two locomotives approach each other on parallel tracks. each has a speed of 150 km/h with respect to the ground. if they are initially 9.5 km apart, how long will it be before they reach each other?

Sagot :

Two locomotives with a speed of 150 km/h each, reach the other in: 1.9 min

The formula of reach time and procedure we will use to solve this problem is:

Tr = x/(v2+v1)

Where:

  • Tr = reach time
  • x = separation distance
  • v2 = velocity of the faster mobile
  • v1 = velocity of the slowest mobile

Information about the problem:

  • x = 9.5 km
  • v2 = 150 km/h
  • v1 = 150 km/h
  • Tr=?

Applying the reach time formula we get:

Tr = x/(v2+v1)

Tr =  9.5 km/(150 km/h + 150 km/h)

Tr = 9.5 km/(300 km/h)

Tr = 0.032 h

By converting the time units from (h) to (min) we have:

0.032 h * (60 min / 1h) = 1.9 min

What is velocity?

It is a physical quantity that indicates the displacement of a mobile per unit of time, it is expressed in units of distance per time, for example (miles/h, km/h).

Learn more about velocity at: brainly.com/question/3004254

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