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Two trains traveling from different point one at 38 mph the other at 42 mph going 400 miles when will the cross each other

Two trains traveling from different point one at 38 mph the other at 42 mph going 400 miles when will the cross each other
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3 votes
Two trains traveling from different point one at 38 mph the other at 42 mph going 400 miles when will the cross each other

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User Msinfo
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8.8k points

1 Answer

2 votes
In 5 hours.

You can just add the two velocities together and then divide by the overall length.
answered
User Daimajia
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8.9k points
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