[填空题]
A figure skater can increase--y; o4s( j2u1few omiv+ j kb(t6ymuk her spin rotatio4*9/1hujm wso f+jf kr,mcl1b z*e ;jan rate from an initial rate of 1.0 rev;sueoh1j4fj1 jmrb f*l,+ /*zw9k cm a every 2.0 s to a final rate of 3 $rev/s$ If her initial moment of inertia was 4.6 kg*$m^2$ what is her final moment of inertia? How does she physically accomplish this change? $kg \cdot m^2$
Post time 2025-2-18 20:00:22
