Homework Statement
solve the initial value problem for u
du/dt= (2t + sec^2(t))/2u also, u(0)=4
Homework Equations
antiderivative of sec^2(t) is tan(t) + C
The Attempt at a Solution
So, the first thing i did was move the "u" with the "u" and "t" with the "t". so the equation looks like...
Homework Statement
A particle is traveling in a straight line at a constant speed of 25.0 m/s. Suddenly, a constant force of 15.0 N acts on it, bringing it to a stop in a distance of 62.5 m.
(a) What is the direction of the force?
(b) Determine the time it takes for the particle to come...
Homework Statement
A ball weighing 100-N is shown suspended from a system of cords. What are the tensions in the horizontal and angled cords?
Homework Equations
F=ma
The Attempt at a Solution
I tried to use F=ma but I couldn't go anywhere with the equation. I know that sum of Forces...