During walking, a 90 kg older adult starts at rest and begins moving (on carpet, coefficient of friction of 0.40) with a horizontal velocity of 1.05 m/s. It takes them 0.25 seconds to reach this velocity. This movement comes as a result of a GRF that is directed upward and forward above the horizontal. The only other force in the problem is gravity. How fast are they moving vertically at the end of this scenario?
During walking, a 90 kg older adult starts at rest and begins moving (on carpet, coefficient of friction of 0.40) with a horizontal velocity of 1.05 m/s. It takes them 0.25 seconds to reach this velocity. This movement comes as a result of a GRF that is directed upward and forward above the horizontal. The only other force in the problem is gravity. How fast are they moving vertically at the end of this scenario?
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Transcribed Image Text:During walking, a 90 kg older
adult starts at rest and begins
moving (on carpet, coefficient of
friction of 0.40) with a horizontal
velocity of 1.05 m/s. It takes them
0.25 seconds to reach this
velocity. This movement comes as
a result of a GRF that is directed
upward and forward above the
horizontal. The only other force in
the problem is gravity. How fast
are they moving vertically at the
end of this scenario?
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