Q. A rocket blasts off from a platform on a space station. An identical rocket blast off from free space. Considering that everything else is equal, will the two rockets have the same acceleration? Explain
Q. It takes 3.5 {mu {rm J}} of work to move a 14 {rm nC} charge from point A to B. It takes -7.0 {mu {rm J}} of work to move the charge from C to B.