Wednesday

July 30, 2014

July 30, 2014

Posted by **Anonymous** on Wednesday, March 6, 2013 at 10:14pm.

- Calculus -
**Reiny**, Thursday, March 7, 2013 at 10:00amI think you want to find dy/dt

or else we don't need the fact that

dx/dt = 15 ft/s

x^2 + y^2 = 65^2

2x dx/dt + 2y dy/dx= 0

dy/dx = (-2x dx/dt)/(2y) = (-x dx/dt)/y

so for the given data

dy/dt = -39(15)/52 = -45/4 or -11.25 ft/s

**Related Questions**

physics - A jogger is running around a circular track of circumference 340 m. If...

Physics - A jogger is running around a circular track of circumference 480 m. If...

Algebra - Two joggers are running around an oval track in opposite directions. ...

Algebra - Two joggers are running around an oval track in opposite directions. ...

physics - A jogger jogs around a circular track with a diameter of 130 meters in...

physics - A car starts from rest and travels along a circular track with a ...

Physics - A car starts from rest and travels along a circular track with a ...

Physics - A runner runs around a circular track with a radius of 50m.if he runs ...

Math - a circular track runs around a park. there is a sidewalk that connects ...

science - A jogger jogs around a circular track with a diameter of 330 meters in...