EBK PHYSICS FOR SCIENTISTS AND ENGINEER
6th Edition
ISBN: 9781319321710
Author: Mosca
Publisher: VST
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Chapter 5, Problem 106P
(a)
To determine
To Find: The height of the center of mass of the can plus the water remaining in the can?
(b)
To determine
To Find:The minimum height of the centreof mass as the water drains out.
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The figure below shows a cubical box that has been constructed from uniform metal plate of negligible thickness. The box is open at the top and has edge length L = 51 cm.
(a) Find the x coordinate of the center of mass of the box.
cm
(b) Find the y coordinate of the center of mass of the box.
cm
(c) Find the z coordinate of the center of mass of the box.
cm
Additional Materials
O eBook
A lamina occupies the part of the rectangle 0 ≤ x ≤ 1,0 ≤ y ≤ 3 and the density at each point is given by the function
p(x, y) = 5x + 4y + 6.
A. What is the total mass? 87/2
B. Where is the center of mass? (
a) A metal sign has a shape of a right triangle whose dimensions are shown in figure. Determine the y coordinate
of the centre of mass, assuming that the triangular sign has a uniform density and total mass M.
b.
b) Two friends of masses 40 kg and 60 kg are standing at the two extremes of a 6 m long boat of mass 100 kg.
Sistem is at rest. Neglect the friction between water and boat. Find the displacement of the boat when both men
move and interchange their positions.
40 kg
60 kg
B
100 kg
6m
Chapter 5 Solutions
EBK PHYSICS FOR SCIENTISTS AND ENGINEER
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