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.
D. Five
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The wave-related quantity algebraically equivalent to 1/f is
a. ? b. T c. A d. ?
An airplane flies at a constant speed at an angle of 25 degrees above the horizontal. Which statement below is not true?
A. The net force on the plane is zero. B. The lift is the same magnitude as the weight. C. The plane has a constant velocity. D. The thrust is greater in magnitude than the drag.
Coulomb's Law: Two tiny particles having charges of +7.00 ?C and -9.00 ?C are placed along the y-axis. The +7.00-µC particle is at y = 0.00 cm, and the other particle is at y = 40.00 cm. Where must a third charged particle be placed along the y-axis so that it does not experience any net electric force due to the other two particles?
A. 0.200 m B. 2.99 m C. -0.187 m D. -2.99 m E. 0.187 m
Mass on a Spring: When a 0.350-kg package is attached to a vertical spring and lowered slowly, the spring stretches 12.0 cm. The package is now displaced from its equilibrium position and undergoes simple harmonic oscillations when released. What is the period of the oscillations?
A. 0.695 s B. 0.483 s C. 0.286 s D. 0.0769 s E. 1.44 s