We would expect other planets beyond our own solar system to orbit the equators of their home stars, as our own planets orbit the Sun
Indicate whether the statement is true or false
TRUE
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The gravitational force between two objects can be described using the equation Fg = G M1 M2 / d2. In this equation, what does G represent?
A) the universal gravitational constant B) the density of the smaller object C) the distance between the two objects D) the gravitational mass of the larger object
A substance consisting of which molecule shown below should have a higher boiling point?
A) The molecule on the left, COImage, because it has a fewer number of atoms. B) The molecule on the right, ImageImageCl, because it has a greater number of atoms. C) The molecule on the left, COImage, because it is less symmetrical. D) The molecule on the right, ImageImageCl, because of electronegativity considerations.
Elementary Particles: Leptons can interact by which of the following forces?
A. strong nuclear force, weak nuclear force, electromagnetic force, gravitation B. strong nuclear force, weak nuclear force, electromagnetic force C. weak nuclear force, electromagnetic force, gravitation D. strong nuclear force, weak nuclear force E. strong nuclear force, electromagnetic force, gravitation
A child is riding a merry-go-round which completes one revolution every 8.36 s. The child is standing 4.65 m from the center of the merry-go-round. What is the tangential speed of the child?
A) 5.64 m/s B) 3.49 m/s C) 0.556 m/s D) 1.75 m/s E) 1.80 m/s