A body is pulled along a horizontal plane by force of 15N over a distance of 20.0cm. if the force make an angle of 30° with the herizontal. calculate the energy used?​

Fill in the blank. the number of each type of element in the compound (other than 1) is represented by a small number to the right of the element symbol.

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

If you let go of the notebook after lifting it, will it move? how?