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A cylinder, a sphere and a hoop of the same masses and radii are rolling from an inclined plane. Which object arrives first at the bottom of the incline? (I_cylinder- 1/2 mR^2 and I hoop = mR^2, 1_sphere 2/5 mR^2) A heavy boy and a lightweight girl are balanced on a massless seesaw. If they both move forward so that they are one-half their original distance from the pivot point, what will happen to the seesaw? Assume that both people are small enough compared to the length of the seesaw to be thought of as point masses. A sphere of mass 1.43 Kg experiences an angular acceleration of 5.2 rad/s2 due to an application of a 28.6 N.m torque. Find the radius of the cylinder ? (Moment of inertia of a disk is 2/5 mR2) A uniform disk has a mass of 0.911 Kg and a radius of 1.371 m. Starting from rest, it accelerates to an angular velocity of 21 rad/s in 0.56 s. Determine the net torque acting on the disk (Hint the moment of inertia of a disk is 1/2 mR2)

A cylinder, a sphere and a hoop of the same masses and radii are rolling from an inclined plane. Which object arrives first at the bottom of the incline? (I_cylinder- 1/2 mR^2 and I hoop = mR^2, 1_sphere 2/5 mR^2) A heavy boy and a lightweight girl are balanced on a massless seesaw. If they both move forward so that they are one-half their original distance from the pivot point, what will happen to the seesaw? Assume that both people are small enough compared to the length of the seesaw to be thought of as point masses. A sphere of mass 1.43 Kg experiences an angular acceleration of 5.2 rad/s2 due to an application of a 28.6 N.m torque. Find the radius of the cylinder ? (Moment of inertia of a disk is 2/5 mR2) A uniform disk has a mass of 0.911 Kg and a radius of 1.371 m. Starting from rest, it accelerates to an angular velocity of 21 rad/s in 0.56 s. Determine the net torque acting on the disk (Hint the moment of inertia of a disk is 1/2 mR2)

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A cylinder, a sphere and a hoop of the same masses and radii are rolling from an inclined plane. Which object arrives first at the bottom of the incline? (I_cylinder- 1/2 mR^2 and I hoop = mR^2, 1_sphere 2/5 mR^2) A heavy boy and a lightweight girl are balanced on a massless seesaw. If they both move forward so that they are one-half their original distance from the pivot point, what will happen to the seesaw? Assume that both people are small enough compared to the length of the seesaw to be thought of as point masses. A sphere of mass 1.43 Kg experiences an angular acceleration of 5.2 rad/s2 due to an application of a 28.6 N.m torque. Find the radius of the cylinder ? (Moment of inertia of a disk is 2/5 mR2) A uniform disk has a mass of 0.911 Kg and a radius of 1.371 m. Starting from rest, it accelerates to an angular velocity of 21 rad/s in 0.56 s. Determine the net torque acting on the disk (Hint the moment of inertia of a disk is 1/2 mR2)
Transcribed Image Text:A cylinder, a sphere and a hoop of the same masses and radii are rolling from an inclined plane. Which object arrives first at the bottom of the incline? (I_cylinder- 1/2 mR^2 and I hoop = mR^2, 1_sphere 2/5 mR^2) A heavy boy and a lightweight girl are balanced on a massless seesaw. If they both move forward so that they are one-half their original distance from the pivot point, what will happen to the seesaw? Assume that both people are small enough compared to the length of the seesaw to be thought of as point masses. A sphere of mass 1.43 Kg experiences an angular acceleration of 5.2 rad/s2 due to an application of a 28.6 N.m torque. Find the radius of the cylinder ? (Moment of inertia of a disk is 2/5 mR2) A uniform disk has a mass of 0.911 Kg and a radius of 1.371 m. Starting from rest, it accelerates to an angular velocity of 21 rad/s in 0.56 s. Determine the net torque acting on the disk (Hint the moment of inertia of a disk is 1/2 mR2)
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