Question

how do you calculate these?

agement Help Variable R Turntable radius Chapter 10 Begin Date: 7/14/2020 12:00:00 AM -- Due Date: 7/31/2020 11:59:00 PM End Date: 8/16/2020 11:00:00 AM (9%) Problem 7: A turntable of radius 25 cm and rotational inertia 0.0154kg-mis Description spinning freely at 22.0 rpm about its central axis, with a 19.5g mouse on its outer edge. The mouse walks from the edge to the center. Assume the turntable-mouse Turntable inertia system is isolated, and put your answers in terms of the variables listed. Initial system angular velocity Mouse mass Ibefore Initial system rotational inertia Final system rotational inertia Final system angular velocity W Work done by mouse Othee 0 22.0r m Laser [email protected] 4N89-36-53-41-9D34-21063 17% Part(a) Treat the mouse as a point-particle, and define the turntable's initial rotation direction to be positive. Calculate the system before the mouse moves Ibefore in terms of the variables above. before HOME DO of n e 10 R 8 h 7 8 9 TAL 4 5 6 1 2 3 + - 0 NO BACKSPACE END р Vo t VE DEL CLEAR [email protected] Submit Hint Feedback I give up!4N89-36-53-41-9D34-21063 Hints: 1% deduction per hint. Hints remaining: 2 Feedback: % deduction per feedback. 17% Part (b) Calculate the systems moment of inertia after the mouse moves to the center in terms of the variables above. A 17% Part (c) Assume the turntable-mouse system is isolated. Find the system's final rotation speed in terms of the variables above. A 17% Part (d) Solve for the final rotational speed in rad's. A 17% Part(e) Ignore friction within the turntable-mouse system. Determine the work done by the mouse in terms of the variables abov A 17% Part (1) What is the numerical value of the work done in Joules? TA LLC

Answer 1

7. la) I before I + MR² D Iafter To Ti 나 I before CO fafter Wf Wf Lt m R² Io w (a (0-0135g) (0-25mg ? It 22 rpm) 0.0154 Igre We = 23.74 rpm 29.74 X201 rad 608 Of= 2049 rad Is e W- AKE - é Lefter we w? & I befor 2 Wa [ 12.4mi) 1.test). (Bumpets & may] 2 CS Scanned with CamScanner

lot me? 1, +R2 WS China *** ****] 2 ) Wo Wa [( 10 +me% (me?) Io (Io + m R²).(MQ2) wa WS 12 2 I Putting values 3 J = 3.49 MJ li W = 3.49 X10 CS Scanned with CamScanner