A block of ice slides down a ramp. For which height and base is the acceleration the greatest?
A. Height 4 cm Base 12 Cm
B. Height 3 cm base 6 cm
C. Height 2 cm Base 5 cm
D. height 1m base 3
Answer: B. Height 3 cm base 6 cm
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Indicate whether the statement is true or false
Discoveries force theory revisions: The discovery of "hot Jupiters" forced scientists to revise the nebular theory of solar system formation
Think of a hypothetical discovery that would force further revisions of the theory of planet formation, and explain why this observation would contradict the theory.
A cubical box, 5.00 cm on each side, is immersed in a fluid. The gauge pressure at the top surface of the box is 594 Pa and the gauge pressure on the bottom surface is 1133 Pa. What is the density of the fluid?
A) 1100 kg/m3 B) 12,000 kg/m3 C) 2340 kg/m3 D) 1220 kg/m3 E) 1000 kg/m3
What is the particle X in the reaction 
a. 
b. 
C. e-
D. 