Physics, 14.10.2019 21:30 alexanderavrett
"a window washer pulls herself upward using the bucket-pulley apparatus. the mass of the person plus the bucket is 65 kg.
(a) how hard must she pull downward to raise herself slowly at constant speed?
(b) if she increases this force by 10%, what will her acceleration be?
"
Answers: 1
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Abike rider starts from rest and accelerates 28.0 meters down a slope in 5.00 seconds. what is her acceleration? select one: a. 3.21 m/sec2 b. 1.75 m/sec2 c. 9.80 m/sec2 d. 2.24 m/sec2
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Physics, 22.06.2019 14:30
When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?
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"a window washer pulls herself upward using the bucket-pulley apparatus. the mass of the person plus...
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