I converted mass to kg and mastering physics still said I was wrong but now it was close enough for them to just think it was a rounding or sig fig error. It was my last attempt so they showed the correct answer was 1.02e13 and I got 1.71e12. I'm sure I probably typed something wrong into my...
I know almost this exact thing has been asked before but even after looking at the other posts I still can't figure out what I'm doing wrong.
Homework Statement
Two very small 8.05-g spheres, 11.0 cm apart from centre to centre, are charged by adding equal numbers of electrons to each of...
Homework Statement
The graph in the figure describes the acceleration as a function of time for a stone rolling down a hill starting from rest.
Find the change in the stone's velocity between 2.5s and 7.5s.
Homework Equations
I think v = v0t +1/2at^2
The Attempt at a Solution
I honestly...