A 13,000-N vehicle is to be lifted by a 25-cm diameter hydraulic piston. What force needs to be exerted on a 5.0 cm diameter piston to accomplish this? Assume the pistons each have negligible mass
A) 260 N
B) 520 N
C) 2600 N
D) 5200 N
B
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According to the chart shown in figure Q13.6, how many stable isotopes of 30Zn exist?
A. One
B. Two
C. Three
D. Five
E. There is no way to determine this from the chart.
Free protons and neutrons are spewed throughout the atmosphere by
A) nitrogen decay. B) carbon decay. C) the bombardment of cosmic rays upon atoms. D) all of the above E) none of the above
According to quantum theory, the electron in a particular quantum state of the hydrogen atom has
A) a definite position. B) a definite energy. C) a definite velocity. D) All of the above. E) None of the above.
A compound formed from atoms from the far left and the far right of the periodic table is probably a(n) ______________ compound
Fill in the blank(s) with correct word