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Wendy A.
Questions (2)
An 8.5 x 10^2 elevator is pulled up at a constant velocity of 1 m/s by a 10 kW motor. Calculate the efficiency of the motor.
3 answers
1,026 views
A person is jogging at 3.5 m/s and grabs a rope that is hanging vertically from a tree. How high can the student swing?
1 answer
1,246 views
Answers (1)
Ok thanks to both for the answers!
