On the last day of school, Ms. Ahmad starts from rest at the building doors and accelerates in a straight line at 1.8 m/s2 . a. How fast is she traveling at the end of 3 seconds?
b. How far did she travel while she accelerated those 3 seconds?

Aprotein molecule in an electrophoresis gel has a negative charge.the exact charge depends on the ph of the solution, but 30 excesselectrons is typical. what is the magnitude of the electric forceon a protein with this charge in a 1500 n/c electric field?