Herschel's original disk model placed us close to the center of the Galaxy
Indicate whether the statement is true or false
TRUE
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Fluid Flow: Ideal incompressible fluid flows through a 4.0-cm-diameter pipe at 1.0 m/s. There is a 2.0 cm diameter constriction in the line. What is the speed of the fluid in this constriction?
A. 0.25 m/s B. 0.50 m/s C. 2.0 m/s D. 4.0 m/s
When Rutherford directed a stream of alpha particles at a gold foil, some particles
A) bounced back. B) continued through the foil. C) deflected at a variety of angles. D) all of the above E) none of the above
The following data refer to a car traveling west: t (s) 0 1 2 3 4 -------------------------- v (m/s) 30 25 20 15 10 Find the magnitude and direction of the acceleration
Whenever the net force on an object is zero (¤F = 0), the object is said to be in mechanical equilibrium—this is known as the _______________________
Fill in the blank(s) with the appropriate word(s)