Which of the Galilean moons is the densest and most geologically active?
A) Io
B) Europa
C) Ganymede
D) Callisto
E) Titan
A
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Which of the following books of tabulated predicted planet positions was not based on uniform circular motion?
a. the Rudolphine Tables by Kepler b. the Prutenic Tables based on Copernicus' model c. the Alphonsine Tables based on Ptolemy's observations and calculations
A simple harmonic oscillator has an amplitude of 3.50 cm and a maximum speed of 26.0 cm/s. What is its speed when the displacement is 1.75 cm?
A) 12.0 cm/s B) 22.5 cm/s C) 14.2 cm/s D) 15.0 cm/s E) 17.0 cm/s
A uniform rod has a weight of 40. N and a length of 1.0 m. It is hinged to a wall (at the left end), and held in a horizontal position by a vertical massless string (at the right end), as shown in Fig. 8-7
What is the magnitude of the torque exerted by the string about a horizontal axis which passes through the hinge and is perpendicular to the rod? A) 40 m ? N B) 10 m ? N C) 5.0 m ? N D) 20 m ? N E) 30 m ? N
When myopia is corrected surgically, the shape of the ________ is changed
Fill in the blank(s) with correct word