Calculate the rotational inertia of a meter stick, with mass 0.301 kg, about an axis perpendicular to the stick and located at the 33.6 cm mark. (Treat the stick as a thin rod.) Number i Units
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- 12 m 12 m A 3 m B 3 m Figure 1 Figure 2 A simple trebuchet is constructed as shown above.The projectile mass, ma = M = 1.50 kg, and the counterweight mass, mg = cM, where c is 7.50 x 102. Relative to the masses of the projectile and counterweight, the mass of the rotating arm is assumed negligible and there is no friction in the pivot.There is a mechanism that stops the arm when it becomes vertical, allowing the projectile to be launched horizontally. {If needed, treat both masses as point masses with moment of inertia = (mass)R2.} a. Determine the tangential speed of the projectile at the top of the motion as it leaves the trebuchet. Blank 1 b. How long is the projectile is in the air? Blank 2 Do Not Enter Units In Answers. Show All Starting Equations And Ideas That Lead To Your Answers. Blank 1 Add your answer Blank 2 Add your answerA bicycle is rolling down a circular hill that has a radius of 7.49 m. As the figure illustrates, the angular displacement of the bicycle is 0.960 rad. The radius of each wheel is 0.449 m. What is the angle (in radians) through which each tire rotates? Number i Units radA dentist's drill starts from rest. After 3.40 s of constant angular acceleration it turns at a rate of 2.30 x 10 rev/min. (a) Find the drill's angular acceleration. rad/s2 (b) Determine the angle (in radians) through which the drill rotates during this period. rad
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