= +0.9x Find the centre of mass of the 2D shape bounded by the lines y between x = 0 and x = 3.3. Assume the density is uniform with the value: 3.3kgm ². Also find the centre of mass of the 3D volume created by rotating the same lines about the x-axis. The density is uniform with the value: 2.3kgm-³. (Give all your answers rounded to 3 significant figures.)
= +0.9x Find the centre of mass of the 2D shape bounded by the lines y between x = 0 and x = 3.3. Assume the density is uniform with the value: 3.3kgm ². Also find the centre of mass of the 3D volume created by rotating the same lines about the x-axis. The density is uniform with the value: 2.3kgm-³. (Give all your answers rounded to 3 significant figures.)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:=
±0.9x
Find the centre of mass of the 2D shape bounded by the lines y
between x = 0 and x = = 3.3. Assume the density is uniform with the value:
3.3kgm-2.
Also find the centre of mass of the 3D volume created by rotating the same lines
about the x-axis. The density is uniform with the value: 2.3kgm-³.
(Give all your answers rounded to 3 significant figures.)
a)
Enter the mass (kg) of the 2D plate:
Enter the Moment (kg.m) of the 2D plate about the y-axis:
Enter the x-coordinate (m) of the centre of mass of the 2D plate:
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