If the U-tube in Problem 4 is rotated about the right leg, what maximum rpm will result in the 20°C water being thrown from the tube?
(A) 741 rpm
(B) 672 rpm
(C) 569 rpm
(D) 432 rpm
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Mass on a Spring: A ball vibrates back and forth from the free end of an ideal spring having a force constant (spring constant) of 20 N/m. If the amplitude of this motion is 0.30 m, what is the kinetic energy of the ball when it is 0.30 m from its equilibrium position?
A. 0.00 J B. 0.22 J C. 0.45 J D. 0.90 J E. 1.4 J
In the ground state, the quantum numbers (n, ?, m , ms) for hydrogen are, respectively,
A) 1, 1, 1, 1. B) 1, 0, 0, 0. C) 1, 0, 0, ±1/2. D) 1, 1, 1, ±1/2. E) 1, 1, 0, ±1/2.
Which of the following is not matter?
a. Air b. Heat c. Charcoal d. Electrons
Volcanic activity is associated with
A) divergent, convergent, and transform boundaries. B) convergent and transform boundaries. C) divergent and convergent boundaries. D) divergent, convergent, and plate tectonic boundaries.