Physics, 06.05.2020 03:31 rashawng2005
The gravitational force of the Earth exerts no torque on a satellite orbiting the Earth in an elliptical orbit. Compare the motion of the satellite at the point in its orbit nearest the Earth (perigee) to its motion at the pint in it orbit farthest from the Earth (apogee). At these two points closest to the earth:
A) the angular speed will be greatest although the linear speed will be the same. B) the kinetic energy and angular momentum will both be greater. C) None of the above. D) Both choices A and B are valid.
Answers: 3
Physics, 22.06.2019 09:30
Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z
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Physics, 22.06.2019 12:10
Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f
Answers: 2
Physics, 22.06.2019 18:00
Astudent weighing 700 n climbs at constant speed to the top of an 8 m vertical rope in 10 s. the average power expended by the student to overcome gravity is most nearly
Answers: 2
The gravitational force of the Earth exerts no torque on a satellite orbiting the Earth in an ellipt...
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