3. Find its linear AND angular velocity at the bottom of the hill. 4. Find the linear AND rotational kinetic energy at the bottom of the hill. 5. Find the frictional coefficient of the inclined surface, if the sphere is making pure rolling motion. 6. Find the number of revolutions the sphere rolls over along the inclined. (Convert rad to rev) You are given a "Gold Crown" to determine whether it is made of pure Gold or not. It has a mass of 675 grams when it is weighed in the air. Then it is submerged in oil (with density of 957 kg/m ^ 3), it reads 640 grams. 7. Find the density of the Crown. Compare to the Gold density 19320 kg/m^3, is it really pure Gold? A glass of iced tea contains a large chunk of pure ice partially floating on the iced tea. Given the density of ice as 917 kg/m^3, and density of iced tea as 1008 kg/m^2. 8. Find the percent volume of ice that is floating above the water level.

3. Find its linear AND angular velocity at the bottom of the hill. 4. Find the linear AND rotational kinetic energy at the bottom of the hill. 5. Find the frictional coefficient of the inclined surface, if the sphere is making pure rolling motion. 6. Find the number of revolutions the sphere rolls over along the inclined. (Convert rad to rev) You are given a "Gold Crown" to determine whether it is made of pure Gold or not. It has a mass of 675 grams when it is weighed in the air. Then it is submerged in oil (with density of 957 kg/m ^ 3), it reads 640 grams. 7. Find the density of the Crown. Compare to the Gold density 19320 kg/m^3, is it really pure Gold? A glass of iced tea contains a large chunk of pure ice partially floating on the iced tea. Given the density of ice as 917 kg/m^3, and density of iced tea as 1008 kg/m^2. 8. Find the percent volume of ice that is floating above the water level.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter10: Rotational Motion And Angular Momentum

Section: Chapter Questions

Problem 12CQ: The Earth has more rotational kinetic energy now than did the cloud of gas and dust from which it...

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