= +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.)

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter10: Analytic Geometry
Section10.1: The Rectangular Coordinate System
Problem 40E: Find the exact volume of the solid that results when the region bounded in quadrant I by the axes...
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=
±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:
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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