Posted by **fareha** on Sunday, December 4, 2011 at 8:06pm.

1. A rectangle has a constant area of 200 square meters and its length L is increasing at the rate of 4 meters per second.

a. Find the width W at the instant the width is decreasing at the rate of .4 meters per second.

b. At what rate is the diagonal D of the rectangle changing at the instant when the width W is 10 meters?

## Answer This Question

## Related Questions

- calculus - 1. A rectangle has a constant area of 200 square meters and its ...
- calculus - A recatangle has constant area of 200 square meters and its lenght L ...
- Calculus - Assume the dimensions of a rectangle are continuously changing in a ...
- pre-algebra - Can you help me figure this? The area of a rectangle is 14 square ...
- Calculus - The area of a floating circular oil spill in the ocean is increasing ...
- math - If the radius of a circular wave is increasing at 2 meters/sec, how fast ...
- algebra - The area of a rectangle is 21 square meters. Find the length and width...
- Calculus (Parts A and B done, just help with C) - The radius, r, of a sphere is ...
- Geometry - A rectangle has an area of 6 square meters. What will be the area of...
- Geometry - Can you check these multiple choice questions thanks. 1. What is the ...

More Related Questions