3. The cord, which is wrapped around the disk, is given an acceleration of a = (10t) m/s³, where t is in seconds. Starting from rest, determine the angular displacement, angular velocity, and angular acceleration of the disk when t = 5 s. a = (10t) m/s² 0.5 m
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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 rotationalPlz use g = 9.8 m/s2 to find if needed1. The blades of a fan running at low speed turn at 300 rpm. When the fan is switched to high speed, the rotation rate increases uniformly to 430 rpm in 5.30 s. What is the magnitude of the angular acceleration of the blades? rad/s2 f60 ssi f60 0 ssro0
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- According to a recent finding, it would appear that 70 million years ago, the Earth was spinning a bit more rapidly than it is today, and the day was 30 minutes shorter than it is now. What has been the magnitude of the Earth's average angular acceleration over the past 70 million years? rad/s? 1 O 1.55 x 10-21 2 6.09 x 10 2 rad/s2 3.18 x 10 22 rad/s- 3 7.05 x 10 22 rad/s2 4A spinning disk completes 2.9 revolutions.a. The displacement in radians is...b. It takes 2.3 s to do the 2.9 revolutions. Find its average angular velocity.c. The disk started rotating from rest. Its final angular velocity was 2.5 rad/s2 Find its average angular acceleration.Problem 1: A small rubber wheel is used to drive a large pottery wheel. The two wheels are mounted so that their circular edges touch. The small wheel has a radius of 6.5 cm and accelerates at the rate of 7.5 rad/s2 , and it is in contact with the pottery wheel (radius 24.0 cm ) without slipping. Part A Calculate the angular acceleration of the pottery wheel. Part B Calculate the time it takes the pottery wheel to reach its required speed of 70 rpm .