# Search results

1. ### Vector arc length problem

Homework Statement Find Arc Length: r(t)=t^3 i+tj+(1/2)\sqrt{6}t^2k 1\leqt\leq3 Homework Equations The arc length formula: integrate: sqrt((dx/dt)^2+(dy/dt)^2+(dz/dt)^2) dt The Attempt at a Solution I can find the derivative and plug into the formula, it's just the simplification that is...
2. ### Programs Change Majors, Lose Scholarship?

I have been accepted to University of my choosing to study Computer Engineering. However, since I applied I've already discovered in no way, shape, or form, do I wish to study computers at the college level. I'm much more interested in Mechanical Engineering, Mathematics, or Physics, and wish...
3. ### Easy Solid of Revolution Problem

It's not that the problem is extremely hard, it's just got me second guessing myself all the time when I happen to think about it. (Problem from a test last Friday) Homework Statement Find the volume of the solid formed by revolving the area bounded by y=x^2, y=4 about the x-axis. Homework...
4. ### Integral and Derivative Problems

Homework Statement 2 Questions here. Please help, math test tomorrow, study group failed for these 2 problems. \int{\frac{1-sin\theta}{cos\theta}d\theta} and Find \frac{dy}{dx} if y=x^ee^x Homework Equations NONE The Attempt at a Solution We've attempted every "u-substitution" we can...
5. ### Programs Search for an Undergraduate Major

First and foremost, I'm going into the U.S. Navy through ROTC or the United States Naval Academy, so unless I become a Scholar of somesort, I will not be pursuing a graduate degree right off the bat. It would be a couple years before that becomes available. (Just felt that it should be known...