If tonight is a full Moon then in about two weeks it will be a _______ Moon
Fill in the blank(s) with correct word
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The Moon has a period of rotation that is ________ to its period of revolution
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Three small masses are positioned at the following coordinates: 3.0 kg at (3.0 m, 2.0 m); 4.0 kg at (0.0 m, -1.0 m); and 5.0 kg at (5.0 m, -7.0 m). What are the coordinates of the center of mass (or center of gravity) of this system?
What will be an ideal response?
How many "generations" of electroweak particles are there?
A) three B) two C) four D) six E) an infinite number
Fig. 10-3 illustrates a simplified roller bearing. The outer hollow cylinder has a radius of 1.2 cm and is stationary. The inner cylinder has a radius of 1.0 cm and is rotating at 11 rpm
Between the two cylinders are several small cylinders with a radius of 0.10 cm, which roll without slipping on both the inner and outer cylinders. Only one of these cylinders is shown in the figure. What is the angular speed of the small cylinders? A) 12 rpm B) 10 rpm C) 20 rpm D) 62 rpm E) 55 rpm