Homework Statement
$\int_{-\infty}^{0}e^{-|x|}dx
Homework Equations
$\int_{-\infty}^{0}e^{-|x|}dx
= $\int_{-\infty}^{0}e^{-x}dx
according to the solution these first two steps is where i go wrong. According to solution, the integral is e^x, which I don't understand. I get e^-x and...
Homework Statement
The coefficient of static friction is 0.60 between the two blocks in figure. The coefficient of kinetic friction between the lower block and the floor is 0.20. Force causes both blocks to cross a distance of 5.0 m, starting from rest.
What is the least amount of time in...