need answers for physics lab

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zbenynyv1

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i need solution for all the tables + the discussion part

bs: part (b) the second table i guess i made a mistake in finding column number 6: I(M+rod), i'm not sure about the calculation or the answers here so if it's wrong please do it again

show me the work please + the equations and laws in the solution sheet for each part

thank you

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Physics (1) Exp. No. (11): Moment of Inertia - 1&2 Purpose: a. To find the torsion constant (K ) of a coiled spring b. To find an unknown mass (m) c. To find the moment of inertia (I) of different shapes I=(K/4T? ) T I = MRP a. Theory : τ = κ Θ t=FR T= ( 47?/K ) I Measurements & Calculations : O=T R (m) F (N) 1 (Nm) K(Nm/rad) -3 0.1 0.2 0.02 6.36x14 0.15 0.045 0.014 0.2 0.5 0.12 0.038 0.25 090.225 0.0 72 0.3 4 0.09 Kave(Nm/rad) 0.04$ 0.3 0.3 b. For the rod only : t(s) tz (s) tar (s) T(S) Irod ( kgm?) 11-84 1167 1176 For the rod & M(= 2m ): Time for (5) oscillations R (m) t(s) t₂ (s) tav (s) T(S) Im+rod (kgm') Im (kgm') R' (m 0.1 1757 17.75 17.66 3.53 0.02 0.15 22.66 22,69 22.684 54 0.045 0.2 28.64 28.4728.56 3.71 0.08 0.25 34.27 34.55 29.21 5.88 0.125 0.3 41.54 4.62 4L58 8.32 0.18 C. tav (s) T(S) 1 (kgm?) For the holder only: t(s) tz (s) 2.17 2-4 For the shapes : Time for (7) oscillations t(s) tz (S) tav (S) Im+h ( kgm?) I (kgm?) R (m) M( kg ) P.E. T(S) 9 Shape WD WS SC 0.97 4.21 4.56 5.60 5.24 7.888.34 IM ( kgm) 1/2 MR 2/5 MR? 1/2 MR? 1/2 M(Ro?+R:3) HC R., R; Discussion : Q1: What factors change the torsion constant (K) Q2 : What factors change moment of inertia (I)? Q3 : If you take the setup to the moon, what will happen to the frequency of ocillations ? , and why ? Q4: In Part (b.), if you use one mass ( m ) instead of two masses, what changes you think will happen? Q5 : In Part (c.), which cylinder (the solid (SC) or the hollow (HC) ] has higher moment of inertia (I)? Why?
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