At noon, ship a is 90 km west of ship b. ship a is sailing south at 20 km/h and ship b is sailing north at 10 km/h. how fast is the distance between the ships changing at 4:00 pm?

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asked Nov 28, 2017 225k views

1 vote

At noon, ship a is 90 km west of ship

b. ship a is sailing south at 20 km/h and ship b is sailing north at 10 km/h. how fast is the distance between the ships changing at 4:00 pm?

Mathematics
high-school

Pete Richardson asked

by Pete Richardson

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the distance is 120 km

the rate that the distance is changing is 30km per hour

hope this helps

Joe Maher answered Dec 2, 2017

by Joe Maher

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