Physics, 05.07.2019 23:20 yasdallasj
Aperson with mass mp = 75 kg stands on a spinning platform disk with a radius of r = 1.74 m and mass md = 188 kg. the disk is initially spinning at ω = 1.4 rad/s. the person then walks 2/3 of the way toward the center of the disk (ending 0.58 m from the center). 1. what is the total moment of inertia of the system about the center of the disk when the person stands on the rim of the disk? 2. what is the total moment of inertia of the system about the center of the disk when the person stands at the final location 2/3 of the way toward the center of the disk? 3. what is the final angular velocity of the disk? 4. what is the change in the total kinetic energy of the person and disk? (a positive value means the energy increased.) 5. what is the centripetal acceleration of the person when she is at r/3? 6. if the person now walks back to the rim of the disk, what is the final angular speed of the disk?
Answers: 1
Physics, 22.06.2019 08:30, lovebunfan
What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force
Answers: 3
Physics, 22.06.2019 16:00, autumnstalvey67
Marvin records scientific data about lake superior. for which property has marvin forgotten to use an si unit of measurement? shore length high temperature low temperature annual precipitation
Answers: 3
Physics, 23.06.2019 00:00, s0cial0bessi0n
When flexing to a reflective style, one should be specific, brief and to the point, and maintain a fast and decisive pace?
Answers: 2
Aperson with mass mp = 75 kg stands on a spinning platform disk with a radius of r = 1.74 m and mass...
English, 04.12.2021 18:40
Mathematics, 04.12.2021 18:50
Arts, 04.12.2021 18:50
Chemistry, 04.12.2021 18:50
Mathematics, 04.12.2021 18:50