The masses and coordinates of four particles are indicated in the following table. 50 g x...
The masses and coordinates of four particles are indicated in the following table.
| 50 g | x = -1.0 cm | y = -3.0 cm |
| 40 g | x = -5.0 cm | y = 0.0 cm |
| 35 g | x = 3.0 cm | y = 5.0 cm |
| 30 g | x = -3.0 cm | y = 4.0 cm |
(a) What is the rotational inertia of this collection about the
x axis?
g·cm2
(b) What is the rotational inertia of this collection about the
y axis?
g·cm2
(c) What is the rotational inertia of this collection about the
z axis?
g·cm2
(d) Suppose the answers to (a) and (b) are A and
B, respectively. Then what is the answer to (c) in terms
of A and B?
A - B
(A + B)2
A + B
AB
Homework Answers
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The masses and coordinates of four particles are indicated in
the following table.
50 g
x...
The masses and coordinates of four particles are as follows: 40 g, x = 1.0 cm,...
The masses and coordinates of four particles are as follows: 40 g, x = 1.0 cm, y = 3.0 cm; 20 g, x = 0.0 cm, y = 4.0 cm; 35 g, x = -3.0 cm, y = -3.0 cm, 45 g, x = -2.0 cm, y = 5.0 cm. What is the rotational inertia of this collection with aspect to the x-axis ( kg m2)? What is the rotational inertia of this collection with aspect to the y-axis? What...
The masses and coordinates of four particles are as follows: 40 g, x = 1.0 cm,...
The masses and coordinates of four particles are as follows: 40 g, x = 1.0 cm, y = 3.0 cm; 20 g, x = 0.0 cm, y = 4.0 cm; 35 g, x = -3.0 cm, y = -3.0 cm, 45 g, x = -2.0 cm, y = 5.0 cm. What is the rotational inertia of this collection with aspect to the x-axis ( kg m2)? What is the rotational inertia of this collection with aspect to the y-axis? What...
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