If the electric flux through a closed surface is zero, the electric field at points on that surface must be zero. True False

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little

Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton

Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction