Homework Statement
The solutions are:
a)2,75J
b)11,4J
c)2,76m/s
d)3,5J
e)2,84m/sHomework Equations
The Attempt at a Solution
I'm having problemas trying to integrate to find the letter A (the work)! I just can't put the values that match with x=0 (this one I know hehehe) and x=2(this one I...