The masses and coordinates of four particles are Indicated in the following table. 50 gx = -1.0 cm y- 2.0 cm 30 g x = -2.0 cm y = 0.0 cm 40 gx = 1.0 cm y = -2.0 cm 45 gx = -3.0 cm y = -4.0 cm (a) What is the rotational inertia of this collection about the x axis? g-cm? (b) What is the rotational inertia of this collection about the y axis? g-cm? (c) What is the rotational Inertia of this collection about the z axis? g-cm? (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? AB A +B O(A + B)? O A-B

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The masses and coordinates of four particles are indicated in the following table.
50 g x - -1.0 cm y = 2.0 cm
30 gx- -2.0 cmy- 0.0 cm
40 gx = 1.0 cm y = -2.0 cm
45 gx = -3.0 cm y = -4.0 cm
(a) What is the rotational inertia of this collection about the x axis?
g-cm?
(b) What is the rotational inertia of this collection about the y axis?
| 9-cm?
(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?
AB
A + B
O (A + B)?
O A -B
O O
Transcribed Image Text:The masses and coordinates of four particles are indicated in the following table. 50 g x - -1.0 cm y = 2.0 cm 30 gx- -2.0 cmy- 0.0 cm 40 gx = 1.0 cm y = -2.0 cm 45 gx = -3.0 cm y = -4.0 cm (a) What is the rotational inertia of this collection about the x axis? g-cm? (b) What is the rotational inertia of this collection about the y axis? | 9-cm? (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? AB A + B O (A + B)? O A -B O O
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