Two unknown materials have a coefficient of kinetic friction of 1.3. Without any further information, which of the following options is most likely to be the coefficient of static friction? A. 1.2
B. 1.7
C. -1.3
D. 0

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Aballet student who learns with the of his instructor is demonstrating learning.

Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j