In pulley system a, the end of the rope must be pulled 10 cm downward in order to raise the weight 10 cm upward. In pulley system b, the end of the rope must be pulled 20 cm downward in order to raise the weight 10 cm upward. What is the mechanical advantage for each pulley system?.
Answers: 3
SAT, 26.06.2019 03:00
Which group of college students is typically offered scholarship? a. freshmen, sophomores, and juniors. b. biology, english, and engineering majors. c. hard workers, part-time students, and out of state students. d. first time freshmen, current students, and transfer students.
Answers: 2
SAT, 26.06.2019 05:30
In an ecosystem, marsh snails feed on phytoplankton and painted turtles feed on marsh snails. pollution has resulted in the depletion of phytoplankton. what effect would this situation likely have on the population of marsh snails and painted turtles? as phytoplankton were destroyed, the population of marsh snails would most likely then the population of painted turtles would mostly likely a. 1. increase 2. decrease 3. stay the same b. 1. increase 2. decrease 3. stay the same
Answers: 1
SAT, 26.06.2019 15:30
Which statement best describes gravity? it is the force that repels only very small objects. it is the force that acts between objects with zero mass. it is the force that sometimes acts only on very large objects. it is the force that acts between any two objects in the universe.
Answers: 2
SAT, 26.06.2019 19:10
Healing after the death of a loved one is most difficult when: a) the bereaved is not allowed to mourn in the way he or she wishes b) the death is a long, protracted one c.) a period of grief has already elapsed d) no other mourners are present
Answers: 2
In pulley system a, the end of the rope must be pulled 10 cm downward in order to raise the weight 1...
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