A road perpendicular to a highway leads to a farmhouse located 9 mile away. An a

Question

A road perpendicular to a highway leads to a farmhouse located 9 mile away. An automobile traveling on the highway passes through this intersection at a speed of 65mph. How fast is the distance between the automobile and the farmhouse increasing when the automobile is 8 miles past the intersection of the highway and the road?

and

A jogger runs around a circular track of radius 70 ft. Let (x,y) be her coordinates, where the origin is the center of the track. When the jogger's coordinates are (42, 56), her x -coordinate is changing at a rate of 20 ft/s. Find dy/dt .

Explanation / Answer

31 mph

and 5

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.