A wooden board with a mass of 1.68 kg is placed flat on a frictionless table with grid lines. The corners of this board are located at the following æ- and y-coordinates: (0 cm, 0 cm), (0 cm, 13.0 cm), (43.4 cm, 0 cm), and (43.4 cm, 13.0 cm). A nail is driven through the board at (14.467 cm, 6.5 cm), but the board is able to rotate freely. A force of (15.6 N)âŷ is applied to the board at (43.4 cm, 0 cm). What is the angular acceleration of the board at the instant it starts rotating? 0.20 0.15 0.10 0.05 0.00 -0.05 -0.10 -0.1 0.0 0.1 0.2 0.3 0.4 0.5
A wooden board with a mass of 1.68 kg is placed flat on a frictionless table with grid lines. The corners of this board are located at the following æ- and y-coordinates: (0 cm, 0 cm), (0 cm, 13.0 cm), (43.4 cm, 0 cm), and (43.4 cm, 13.0 cm). A nail is driven through the board at (14.467 cm, 6.5 cm), but the board is able to rotate freely. A force of (15.6 N)âŷ is applied to the board at (43.4 cm, 0 cm). What is the angular acceleration of the board at the instant it starts rotating? 0.20 0.15 0.10 0.05 0.00 -0.05 -0.10 -0.1 0.0 0.1 0.2 0.3 0.4 0.5
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Transcribed Image Text:A wooden board with a mass of 1.68 kg is placed flat on a frictionless table with grid lines. The corners of
this board are located at the following x- and y-coordinates: (0 cm, 0 cm), (0 cm, 13.0 cm),
(43.4 cm, 0 cm), and (43.4 cm, 13.0 cm). A nail is driven through the board at (14.467 cm,
but the board is able to rotate freely. A force of (15.6 N)ŷ is applied to the board at (43.4 cm, 0 cm).
6.5 cm),
What is the angular acceleration of the board at the instant it starts rotating?
0.20
0.15
0.10
0.05
0.00
-0.05
-0.10
-0.1
0.0
0.1
0.2
0.3
0.4
0.5
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