Sorry for the poor title - I'm not entirely sure how to describe the type of problem!
Homework Statement
A charge of -4.00 x 10-6 C is fixed in place. From a horizontal distance of 55.0cm a particle of mass 2.50 x 10-3 kg and charge -3.00 x 10-6 C is fired with an initial speed of 15.0m/s...
I'm sure there is something ridiculously simple I'm missing here but this questions has been driving me crazy and now I'm sure I couldn't see the answer if it stared me right in the face.
Homework Statement
A massless string is wrapped around a solid cylinder. A block of mass m=2.0kg...