A hydraulic lift is to be used to lift a 2500 n weight by putting a weight of 25 n on a piston with a diameter of 10 cm. Determine the diameter of the piston on which the weight is to be placed and the mechanical advantage.

Emmanuel has had a sharps exposure at work and has reported the incident, his employer has offered him an immediate confidential medical evaluation and follow-up care. what can he expect from the exam?

Zachary has been trying to work on an essay for almost three hours, be he can't seem to focus for more than 15 or 20 minutes at a time. what should he do so that the quality of his work doesnt suffer because of poor concentration and lack of energy

of the following words means "to make something unnecessary"? who talke constantlyor in na