Two buses are moving in opposite direction with velocities of 36km/hr and 108km/hr. Find the distance between them after 20 minutes
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Step-by-step explanation:
Assuming that the buses pass each other and continue to move away from each other at constant velocity, in 20 minutes they will be 2.4 km/min x 20 min apart, that equals 48 km.
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Bus A is moving at 36 km/hr = 36/60 = 0.6 km/min.
Bus B is moving at 108 km/hr = 108/60 = 1.8 km/min.
They are therefore moving away from fach other at 0.6 + 1.8 = 2.4 km/min.
Assuming that the buses pass each other and continue to move away from each other at constant velocity, in 20 minutes they will be 2.4 km/min x 20 min apart, that equals 48 km.
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