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PHYSICALQUESTIONS (12 POINTS EACH All questions from this page onward are full physics questions. They require...
To increase the effect of rotation, figure skaters pull their arms in when they spin Consider...
To increase the effect of rotation, figure skaters pull their arms in when they spin Consider a figure skater with moment of inertia with her arms outstretched of I_i = 3.6kgm^2, and I_f = 1.1kgm^2 with her arms pulled in. She starts out spinning at omega_i = 0.85_s^-1 with her arms outstretched. Find omega_f. the skater's rotational velocity after she pulls her arms in. Find the increase in her rotational kinetic energy. Where does this extra energy come from? Problem...
3.(adapted from Prob. 3, p. 103, Brown's Introductory Physics I) A baseball of mass m, is...
3.(adapted from Prob. 3, p. 103, Brown's Introductory Physics I) A baseball of mass m, is dropped at time t0 from rest (' 0) from the top of Alfred's Davis Memorial Carillon (which has height H) and falls freely under the influence of gravity. At the same instant (t 0), a second baseball of mass m, is thrown up from the ground directly below with speed vo2 (so if the second ball travels far enough, fast enough, they will collide)....
Please answer and show work for all the questions. (including all Free Body Diagrams). I would...
Please answer and show work for all the questions. (including
all Free Body Diagrams).
I would appreciate it if you use the original Equations and not
the derived ones.
updated..
TILL questions 1. Up on the ro up on the rooftop reindeer pause... as they try not to giggle at San and begins to slide - from rest - down the roof. Luckily, there (relative to the diagram below) that helps Santa sio of Fwind. (Once Santa reaches the edge...
To increase the effect of rotation, figure skaters pull their arms in when they spin Consider a figure skater with moment of inertia with her arms outstretched of I_i = 3.6kgm^2, and I_f = 1.1kgm^2 with her arms pulled in. She starts out spinning at omega_i = 0.85_s^-1 with her arms outstretched. Find omega_f. the skater's rotational velocity after she pulls her arms in. Find the increase in her rotational kinetic energy. Where does this extra energy come from? Problem...
3.(adapted from Prob. 3, p. 103, Brown's Introductory Physics I) A baseball of mass m, is dropped at time t0 from rest (' 0) from the top of Alfred's Davis Memorial Carillon (which has height H) and falls freely under the influence of gravity. At the same instant (t 0), a second baseball of mass m, is thrown up from the ground directly below with speed vo2 (so if the second ball travels far enough, fast enough, they will collide)....
Please answer and show work for all the questions. (including
all Free Body Diagrams).
I would appreciate it if you use the original Equations and not
the derived ones.
updated..
TILL questions 1. Up on the ro up on the rooftop reindeer pause... as they try not to giggle at San and begins to slide - from rest - down the roof. Luckily, there (relative to the diagram below) that helps Santa sio of Fwind. (Once Santa reaches the edge...
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