Herschel believed the Milky Way was a disk of stars, while Shapley found the extended halo more like a ball
Indicate whether the statement is true or false
TRUE
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Magnetic surveys of the ocean floors reveal
A) alternating stripes of normal and reversed polarity paralleling the mid-Atlantic ridge. B) thin oceanic crust composed of basaltic rocks. C) that reversed polarity is rare. D) all of the above.
If a negatively charged particle is placed at point B in the figure below and given a very small kick to the right, what will its subsequent motion be? It will
Consider a velocity with components 36. m/s Westward and 22. m/s Northward. What is its magnitude and direction?
What will be an ideal response?
What is the change in entropy when 15.0 g of water at 100°C are turned into steam at 100°C? The latent heat of vaporization of water is 22.6 × 105 J/kg
A) 90.8 J/K B) -90.8 J/K C) 339 J/K D) -339 J/K E) 0 J/K