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10- A skater rotating at 5.00 rad/s with arms extended has a moment of inertia of 2.00 kg.m². If the arms are pulled in
Posted: Wed May 18, 2022 6:59 am
by answerhappygod
- 10 A Skater Rotating At 5 00 Rad S With Arms Extended Has A Moment Of Inertia Of 2 00 Kg M If The Arms Are Pulled In 1 (70.39 KiB) Viewed 48 times
10- A skater rotating at 5.00 rad/s with arms extended has a moment of inertia of 2.00 kg.m². If the arms are pulled in so the moment of inertia decreases to 1.80 kg.m”, what is the final angular speed? A) 8.33 rad/s B) 6.94 rad/s C) 5.56 rad/s D) 6.25 rad/s E) 9.72 rad/s 11- A shear force of 350 N is applied to one face of an aluminum cube with sides of 30 cm while the opposite face is held fixed in place. What is the resulting displacement of the face? (The shear modulus for aluminum is 2.5 Ⓡ 10° N/m²) A) 5.3 × 10-8 B) 4.7 x 10-8 m C) 6.0 x 10-8 D) 7.3 10-8 m E) 8.7 x 10-8 m m m