A wheel rotates through an angle of 13.8 rad as it slows down from 22.0 rad/s to 13.5 rad/s. What is the magnitude of the average angular acceleration of the wheel?
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Q: The earth's radius is 6.37×10^6m; it rotates once every 24 hours. What is the earth's angular speed?
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Q: What constant angular acceleration is required to reduce an object's angular velocity from 37.8…
A: See below
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Q: What constant angular acceleration is required to reduce an object's angular velocity from 37.5…
A: Given : wo = 37.5 rad/s w = 15.4 rad/s N = 11
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Q: The angular acceleration of a wheel is a = 7.0t4 - 7.0t², with a in radians per second-squared and t…
A: The objective of the question is to find the expressions for the angular velocity and the angular…
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A: This can solved by using basic laws of kinematics. First we find the angular acceleration, α=∆ωt ∆ω…
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- A dentist's drill starts from rest. After 4.30 s of constant angular acceleration it turns at a rate of 2.05 ✕ 104 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.A motorcyclist is traveling along a road and accelerates for 4.22s to pass another cyclist . The angular acceleration of each wheel is +7.60 rad/s, and , just after passing, the angular velocity of each is +73.4 rad/s where the plus signs indicate counterclockwise directions. What is the angular displacement of each wheel during this time?A wheel rotates with a constant angular acceleration of 6.0 rad/s². During a certain time interval, its angular displacement is 6.0 rad. At the end of the interval, its angular velocity is 12.0 rad/s. Its angular velocity at the beginning of the interval is O 1.0 rad/s O 12 rad/s O 6.0 rad/s O O rad/s O 8.5 rad/s Save for Later Submit Answer
- A child is riding a merry-go-round, which has an angular speed of 2.15 rad/s and an angular acceleration of 0.85 rad/s2 . The child is standing 3.465 m from the center of the merry-go-round. What is the magnitude of the acceleration of the child? A child is riding a merry-go-round, which has an angular speed of 2.15 rad/s and an angular acceleration of 0.85 rad/s2 . The child is standing 3.465 m from the center of the merry-go-round. What is the magnitude of the acceleration of the child? 7.04 m/s2 8.05 m/s2 9.62 m/s2 18.05 m/s2 16.29 m/s2 Next QuestionNextA rotating wheel requires 7.00 s to rotate 29.0 revolutions. Its angular velocity at the end of the 7.00-s interval is 99.0 rad/s. What is the constant angular acceleration (in rad/s) of the wheel?A figure skater performs a twisting jump. She rotates around her longitudinal axis 2 times in 0.65 s. What was her average angular velocity in radians/second? A 720rad/s B 19.3rad/s C 4? rad/s D 9.67 rad/s E 1107 rad/s
- the angular velcoity of an airplane propeller increases from 12 rad/s to 16 rad/s while turning through 7 rad. What is the angular acceleration in rad/s^2?A dentist's drill starts from rest. After 3.30 s of constant angular acceleration it turns at a rate of 2.10 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. radA wheel rotates with a constant angular acceleration of 2.00 rad/s2. If the angular speed of the wheel is 2.90 rad/s at t = 0, how many revolutions has the wheel gone through after 2.00 s?
- An object that is initially at rest begins to rotate under a constant angular acceleration of 1.59 rad/s2. How long does it take the object to undergo an angular displacement of 274 rad?A dentist causes the bit of a high-speed drill to accelerate from an angular speed of 1.79 x 10^4 rad/s to an angular speed of 3.13 × 10^4 rad/s. In the process, the bit turns through 3.01 x 10^4 rad. Assuming a constant angular acceleration, how long would it take the bit to reach its maximum speed of 8.46 × 10^4 rad/s, starting from rest?A wheel rotates with a constant angular acceleration of 3.50 rad/s^2. If the angular speed of the wheel is 2.00 rad/s at ti = 0, a) through what angle does the wheel rotate in 2.00 s?b) What is the angular speed at t = 2.00s?Answer: a) 630 degrees b) 9.00 rad/s