## An automobile travels past the farmhouse at a speed of v = 45 km/h. How fast is the distance between the automobile and the farmhouse increa

Question

An automobile travels past the farmhouse at a speed of v = 45 km/h. How fast is the distance between the automobile and the farmhouse increasing when the automobile is 3.7 km past the intersection of the highway and the road?

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Math
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2021-10-10T19:37:57+00:00
2021-10-10T19:37:57+00:00 1 Answer
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## Answers ( )

Answer:Step-by-step explanation:let distance between farmhouse and road is 2 km

From diagram given

p is the distance between road and past the intersection of highway

By using Pythagoras theorem

differentiate wrt t

we get

putting p = 3.7 km