As you go higher and higher above the surface of the Earth, the acceleration of a freely falling body __________
Fill in the blank(s) with correct word
gets smaller and smaller
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Graphical Analysis: An object is moving with constant non-zero velocity in the +x direction. The velocity versus time graph of this object is
A. a horizontal straight line. B. a vertical straight line. C. a straight line making an angle with the time axis. D. a parabolic curve.
Newton found that gravity varied with the ________ of the distance between the two bodies pulling on each other
Fill in the blank(s) with correct word
The water level in identical bowls, A and B, is exactly the same. A contains only water; B contains floating ice as well as water. When we weigh the bowls, we find that
a. WA < WB. b. WA = WB. c. WA > WB. d. WB > WA if the volume of the ice cubes is greater than 1/9the volume of the water. e. WB > WA if the volume of the ice cubes is greater than 9 times the volume of the water.
The primary evidence that the outer core is molten is an abrupt
A) increase in the velocity of P-waves, but no increase in S-waves. B) increase in the velocity of L-waves. C) stop of S-wave propagation, and a decrease in P-wave velocity. D) stop of P-wave propagation, and a decrease in S-wave velocity.