Wednesday
July 30, 2014

Posts by fgh


Total # Posts: 3

math
fhfhfh

physics
rty

11th grade
A 40-kg skater is standing still in front of a wall. By pushing against the wall she propels herself backward with a velocity of -1.8 m/s. Her hands are in contact with the wall for 0.80 s. Ignore friction and wind resistance. Find the magnitude and direction of the average fo...

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