What is the acceleration of a point on the surface of the drum?
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A: given that,r=0.80 mw=38 rpmw=3.979 radsμs=0.80μk=0.60mc=2.0 kg
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A: Given data: Speed (v) = 13 m/s Radius (r) = 0.33 m Required: The rotational speed of the tire
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A: Radius of the disk (R) = 2.3 mm = 0.0023 m Angular speed (w) = 2.3 * 104 rad/sec = 23000 rad/sec…
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A: Given, the radius of the bacterial motor is r and the tangential speed at the rim is v:
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A front-loading washing machine has a radius of 0.32 m and a spin cycle of 1,000 rpm. What is the acceleration of a point on the surface of the drum?
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- Some bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor turning at a constant angular velocity has a radius of 1.9 x10-8m, and a tangential speed at the rim of 2.2 x10-5 m/s. (a) What is the angular speed (the magnitude of the angular velocity) of this bacterial motor? (b) How long does it take the motor to make one revolutionA turntable rotates at 33 rev/min. Calculate the angular velocity of the turntable.A particle on the turntable is located 0.14 m from the center of the rotating turntable. What is the speed of the particle?It takes 5 s for a shaft of a motor to go from zero to 1600 rpm. Assuming constant angular acceleration, what is the value of the angular acceleration of the shaft?
- A point on the rim of a 0.75 m diameter grinding wheel changes speed uniformly from 9 m/s to 25 m/s in 8.1 s. What is the average angular acceleration of the wheel during this interval?A disk 8.08 cm in radius rotates at a constant rate of 1 150 rev/min about its central axis. (a) Determine its angular speed. X Note that 1150 rev/min is an angular speed, but the problem asks for different units. rad/s (b) Determine the tangential speed at a point 3.02 cm from its center. What is the relationship between angular speed and tangential speed? m/s (c) Determine the radial acceleration of a point on the rim. magnitude direction Note that the radial acceleration is also called centripetal acceleration. km/s² toward the center (d) Determine the total distance a point on the rim moves in 1.96 s. × You appear to have correctly calculated this distance using your incorrect value from part (b). mA wheel of radius 1.0 m is rotating with a constantangular speed, ω, of 2.0 rad/s. What is the linear speed,v, of a point on the wheel's rim?A) 0.50 m/sB) 1.0 m/sC) 2.0 m/sD) 4.0 m/s
- A 234 kg boat is negotiating a circular turn (radius = 33.1 m) around a buoy. During the turn, the engine causes a net tangential force of magnitude 995 N to be applied to the boat. The initial tangential speed of the boat going into the turn is 20.6 m/s. Find the angular velocity after 2.5 seconds. Use g=9.8A boy rides his bicycle 1.68 km. The wheels have a radius 32.5 cm. What is the total angle (in rad) the tires rotate through during his trip?A pulley having a 5.0-cm radius is turning at 30 rev/s about its central axis. It is slowed down uniformly to 20 rev/s in 2.0 s. Calculate the angular acceleration of the pulley, the angle through which it turns in this time, the length of belt it winds in that same time.
- 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?Some bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor turning at a constant angular velocity has a radius of 1.1 x10-8m, and a tangential speed at the rim of 2.4 x10-5 m/s. How long does it take the motor to make one revolution?An ultracentrifuge accelerates from rest to 100,000 rpm in 2.30 min. (a) What is its angular acceleration in rad/s2? _________rad/s2 (b) What is the tangential acceleration of a point 10.7 cm from the axis of rotation?_________m/s2 (d) Express this radial acceleration as a multiple of g._________g