Angular Momentum - Page 4
Questions
- A solid disk, spinning counter-clockwise, has a mass of #9 kg# and a radius of #3/8 m#. If a point on the edge of the disk is moving at #9/2 m/s# in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?
- A solid disk, spinning counter-clockwise, has a mass of #7 kg# and a radius of #1/2 m#. If a point on the edge of the disk is moving at #6/5 m/s# in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?
- A cylinder has inner and outer radii of #4 cm# and #5 cm#, respectively, and a mass of #5 kg#. If the cylinder's frequency of counterclockwise rotation about its center changes from #12 Hz# to #9 Hz#, by how much does its angular momentum change?
- What is the angular momentum of a rod with a mass of # 8 kg# and length of #4 m# that is spinning around its center at #15 Hz#?
- A solid disk, spinning counter-clockwise, has a mass of #13 kg# and a radius of #4/5 m#. If a point on the edge of the disk is moving at #7/3 m/s# in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?
- A solid disk, spinning counter-clockwise, has a mass of #1 kg# and a radius of #3 m#. If a point on the edge of the disk is moving at #9 m/s# in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?
- A cylinder has inner and outer radii of #12 cm# and #15 cm#, respectively, and a mass of #4 kg#. If the cylinder's frequency of rotation about its center changes from #2 Hz# to #8 Hz#, by how much does its angular momentum change?
- A cylinder has inner and outer radii of #16 cm# and #24 cm#, respectively, and a mass of #3 kg#. If the cylinder's frequency of rotation about its center changes from #2 Hz# to #4 Hz#, by how much does its angular momentum change?
- A cylinder has inner and outer radii of #4 cm# and #8 cm#, respectively, and a mass of #3 kg#. If the cylinder's frequency of counterclockwise rotation about its center changes from #15 Hz# to #11 Hz#, by how much does its angular momentum change?
- A cylinder has inner and outer radii of #4 cm# and #7 cm#, respectively, and a mass of #6 kg#. If the cylinder's frequency of counterclockwise rotation about its center changes from #15 Hz# to #11 Hz#, by how much does its angular momentum change?
- A solid disk, spinning counter-clockwise, has a mass of #12 kg# and a radius of #7/5 m#. If a point on the edge of the disk is moving at #8/3 m/s# in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?
- A solid disk, spinning counter-clockwise, has a mass of #4 kg# and a radius of #3/2 m#. If a point on the edge of the disk is moving at #2/7 m/s# in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?
- A solid disk, spinning counter-clockwise, has a mass of #7 kg# and a radius of #5 m#. If a point on the edge of the disk is moving at #2 m/s# in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?
- A wheel with a 15cm diameter is rotating at a rate of 7 radians/sec. what is the linear speed of a point on its rim, in meters per minute?
- A solid disk, spinning counter-clockwise, has a mass of #12 kg# and a radius of #6 m#. If a point on the edge of the disk is moving at #2 m/s# in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?
- A steel ball of diameter 2mm falls at constant rate 0f 10cm in 3.4secs through oil in a relatively large jar. calculate the coefficient of viscosity assuming the density of the oil and ball to be 920 and 7700kgm^3 respectively?
- A solid disk, spinning counter-clockwise, has a mass of #7 kg# and a radius of #3 m#. If a point on the edge of the disk is moving at #16 m/s# in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?
- A solid disk, spinning counter-clockwise, has a mass of #5 kg# and a radius of #4 m#. If a point on the edge of the disk is moving at #7/3 m/s# in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?
- What is the moment of inertia of a 5.00 kg 34.0 cm radius hoop about its normal axis?
- A cylinder has inner and outer radii of #9 cm# and #11 cm#, respectively, and a mass of #5 kg#. If the cylinder's frequency of counterclockwise rotation about its center changes from #12 Hz# to #7 Hz#, by how much does its angular momentum change?