he figure shows a book and three axes on which the book can rotate. On which axis is the moment of inertia the smallest? b DA. On axis a. O B. The moment of inertia is the same for all three axes. DC. On axis b. D D. On axis c.
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- Determine the moment of inertia ly (in.4) of the shaded area about the y-axis. Given: x = 4 in. y = 9 in. z = 4 in. Type your answer in two (2) decimal places only without the unit. -3 in.. + -X- x- 2 in. у Z X2. Calculate the moment of inertia of a rectangular plate that is 24.0 cm long and 12.0 cm wide, with a mass of 1.25 kg, a. for an axis of that is perpendicular to the plate passing through its center. b. for an axis along its long edge. c. for an axis along its short edge.An ice skater is spinning on the ice with her arms fully extended. When she pulls in her arms, she spins at a faster rate because a. Her moment of inertia decreases. b. Her moment of inertia increases. c. Her moment of inertia stays the same. d. Her mass stays the same. e. Her weight stays the same.
- 12 3. Find the moment of inertia for the following cases. a. A quarter has a mass of 6 grams and a diameter of 24 millimeters. What is the moment of inertia when you spin it on a table? Give answer in kg m?. b. A figure skater can be modelled as a cylinder of mass 48 kg and radius 0.25 m. Determine the moment of inertia of the figure skater spinning about her center of mass. Give answer in kg m?.A point object with a mass of 150 g can move around a circular track that has a radius of 25 cm. What is the moment of inertia of the object around the center of the track? a. 0.00017 kilogram. meter squared b. 0.00094 kilogram. meter squared c. 0.00038 kilogram. meter squared d. 0.00057 kilogram. meter squared4. A playground toy has four seats, each 5.0 kg, attached to very light, 1.5 m long rods, as seen from above in the figure. If two children with masses of 15 kg and 20 kg, sit in seats opposite one another, what is the moment of inertia about the rotation axis? 1.5 m