Physics 198 Lecture 2: Lecture 2

Does a nucleus designated as contain,

(a) 20 neutrons and 20 protons,

(b) 22 protons and 18 neutrons,

(c) 18 protons and 22 neutrons,

(d) 18 protons and 40 neutrons,

(e) 40protons and 18 neutrons,

Does a nucleus designated as  contain (a) 20 neutrons and 20 protons, (b) 22 protons and 18 neutrons, (c) 18 protons and 22 neutrons, (d) 18 protons and 40 neutrons, or (e) 40 protons and 18 neutrons?

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The maximum gauge pressure in a hydraulic lift is 18 atm. What is the largest mass vehicle it can lift if the diameter of the output line is 22 cm?