The angular velocity vs. time for a fan on a hovercraft is shown below. Find the angle through which the fan blades rotate in the first 8 seconds. 400 300 200 100 Rev/min 0 -O 0 1 2 w. 3 4 55 Time (s) -6 7 T 8
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- Ā CEEE pletion Status: QUESTION 22 The coordinate of an object is given as a function of time by 0 = 7t-32, where 0 is in radians and it is in seconds. Its angular velocity at t = 3 s is: OA. 1.0 rad/s OB.-11 rad/s OC.-3.7 rad/s OD. 11 rad/s OE. 3.7 rad/s ings to the same rod and rotate around it, as shown below. Rank the balls according to their rotationalhelp asapA lawnmower blade has a length of 0.75 m and a mass of 1.5 kg. The blade rotates around its center at an angular velocity of 500??????500revmin. The initial angular velocity of the lawnmower blade is Answer ????rads.
- A turntable rotates at 45 rev/min. Calculate the angular velocity of the turntable. A particle on the turntable is located 0.13 m from the center of the rotating turntable. What is the speed of the particle? The particle on the turntable has a mass of 3 g. Calculate the force of friction which keeps it from sliding off.A 5 kg ball with a 0.4 meter radius is rolling on a horizontal surface at 3 m/s. The rotational inertia of the ball is 0.4mr2. The ball rolls up a 30-degree inclined plane. What is the maximum height that the ball reaches? - 0.4 meters - 0.5 meters - 0.6 meters - 1.3 metersA wheel is initially at rest then rotates with a constant acceleration of 2.0 rad/s2 . What is its angular speed after it has gone through a displacement of 5.0 rad?
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