11. A mouse and a rat are at opposite ends of a horizontal bar whose length is 0.8 m and which can rotate about a point at its center. The mass of the mouse is 200 grams and the mass of the rat is 500 grams. The rat is let go and the rod rotates into a vertical position. What is the velocity of the rat when it is at its lowest position? 2 (a) 2.5 m/s (b) 4.3 m/s (c) 1.8 m/s (d) 3.1 m/s

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Chapter8: Rotational Equilibrium And Dynamics
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11. A mouse and a rat are at opposite ends of a horizontal bar whose
length is 0.8 m and which can rotate about a point at its center. The mass of the
mouse is 200 grams and the mass of the rat is 500 grams. The rat is let go and the
rod rotates into a vertical position. What is the velocity of the rat when it is at its
lowest position?
(a) 2.5 m/s
(b) 4.3 m/s
(c) 1.8 m/s
(d) 3.1 m/s
Transcribed Image Text:11. A mouse and a rat are at opposite ends of a horizontal bar whose length is 0.8 m and which can rotate about a point at its center. The mass of the mouse is 200 grams and the mass of the rat is 500 grams. The rat is let go and the rod rotates into a vertical position. What is the velocity of the rat when it is at its lowest position? (a) 2.5 m/s (b) 4.3 m/s (c) 1.8 m/s (d) 3.1 m/s
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