Engineering Math

[mArKhAo]

may pa-ilan-ilan na video lectures siguro nyan na maaaring makita sa youtube.... yung mga lectures ng MIT...

[pabzjose]

I need your help...

kindly show me the solutions for these questions:

Pabz Jose L Deso-Asido December 16 at 4:59pm
Good Afternoon Sir!

Pwede pa help sir?

pa help lang ko unsaon pag solve ani nga problems...

1. Find the rate of change of the area of a square with respect to its side x when x=6.

2. A rod of length 5ft has linear density proportional to the cube of the distance from one end. If the total mass of the rod iss 500 slugs, compute the density of the rod at its midpoint.

3. the height after t seconds of travel of a projectile thrown upward from the top of a 96-ft building is h(t)=80t-16t^2+96ft. What is the maximum height reached by the projectile's initial velocity.

4. A spherical snowball is melting in such a way that its surface area decreases at the rate of 1in^2/min. How fast is its radius shrinking when its is 3 inch?

This is in preparation for mock board exam....