Q. 6: A car goes round a circular track of radius 50 m with speed of 25 m/s. Its angular speed is 15 10 (a) 0.5 rad/s(b) (c) 5 rad/s 2 rad/s (d) 1250 rad/s
Q: A cylinder rotating at 4.3 rad/s is accelerated to 37.1 rad/s in 6.5 s. What is the angular…
A: Angular acceleration is the term for the time rate of change of angular velocity. The most prevalent…
Q: Please help me. A child pushes a merry-go-round from rest to a final angular speed of 0.750 rev/s…
A: Given: The initial angular velocity of the merry-go-round is 0 rad/s. The final angular velocity of…
Q: A cylinder rotating at 11 rad/s is accelerated to 41 rad/s in 12 s. What is the angular acceleration…
A: Given data: Initial angular velocity (ω0) = 11 rad/s Final angular velocity (ω) = 41 rad/s Time (t)…
Q: If the Earth rotates 1.00 times every 24.0 hours, what is its angular velocity?
A:
Q: A drill starts from rest. After 4 s of constant angular acceleration, it turns at a rate of 2.5x104…
A: initial angular velocity,wi=0 rad/sFinal rotational speed,Nf=2.5×104 rev/minFinal angular velocity…
Q: A dentist causes the bit of a high-speed drill to accelerate from an angular speed of 1.05 × 10ʻ…
A: Given data Initial angular speed is: ωo = 0 rad/s Intermediate angular speed is: ω1 = 1.05 x 104…
Q: The angular speed of a rotating disk is given by the equation. = (2rad/s) + (3radts2)t What is the…
A:
Q: During a tennis serve the players angular rotational velocity around the shoulder went from 580…
A: Given data:initial angular velocity, final angular velocity, change in time, average angular…
Q: A Ferris wheel rotating at 20 rad/s slows down with a constant angular acceleration of magnitude 5.0…
A:
Q: During a very quick stop, a car deceleraes at 7.00 m/s^2. a. What is the angular acceleration of…
A:
Q: Starting from rest, a disk rotates about its central axis with constant angular acceleration. In…
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Q: Martian Day. What is the angular speed in rad/s for a point on the surface of Mars due to its…
A: Given : Radius (R) = 3400 km Time (T) = 24.6 h = 24.6 x 60 x 60 T = 88560 seconds
Q: A child is riding a merry-go-round which completes one revolution every 12.0 s. The child is…
A:
Q: ball with a radius of 0.10 m is given an angular acceleration of 18 rad/s2 for 2 seconds. Assuming…
A: Given Initial angular velocity = 0angular acceleration= 18 rad /s2 Time taken t = 2 sec
Q: computer hard disk starts from rest, then speeds up with an angular acceleration of 190 rad/s2 until…
A: Using equation of motion for angular variables, we can get the desired answers.
Q: A Ferris wheel slows down with a constant angular acceleration of magnitude 5.0 rad/s 2. If the…
A: Given : Angular acceleration (α) = -5 rad/s2 Negative because Ferris wheel is slowing down Number of…
Q: Strain are a responsible for crystal structure analysis. O True O False
A: True Option (A)
Q: A dentist causes the bit of a high-speed drill to accelerate from an angular speed of 1.30E+4 rad/s…
A: The angular acceleration of the drill is,
Q: The angular speed of a fan decelerates from 11.6 rad/s to 7.8 rad/s in 4.5 s. What is the magnitude…
A: Given Initial angular velocity ωi=11.6rad/s Final angular velocity ωf=7.8rad/s Time t=4.5s
Q: The 4.00-cm-long second hand on a watch rotates smoothly. What is its angular speed? Express your…
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Q: A wheel, initially rotating at 15.4 rad/s, undergoes an angular acceleration of 5.5 rad/s^2. What is…
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Q: A golf club is swung with an average angular acceleration of 2 rad/s2. What is the angular velocity…
A:
Q: A car increases its angular speed from 2 p /3 rad/s to 3p/2 rad/s in 5.0 s. What is the angular…
A:
Q: A figure skater performs a twisting jump. She rotates around her longitudinal axis 2 times in 0.65…
A: Given data: Angular displacement (Δθ) = 2 rev Time (t) = 0.65 s Required: The average angular…
Q: A child is riding a merry-go-round which completes one revolution every 8.36 s. The child is…
A:
Q: A centrifuge spins from rest with an angular acceleration of 226 rad/s?. What is the angular speed…
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Q: A circular object rotates with an angular velocity ω=4.2t2 + 3.0. (Take [ω] = radians/second ). A.…
A: Given: A circular object with angular velocity rad/s To find: A. Expression for the angular…
Q: A computer hard disk starts from rest, then speeds up with an angular acceleration of 190 rad/s2…
A: We have to use some basic formula here
Q: rotating disk is initially spinning at w = 6rev / s , slows down and stops in 19.7 . What is the…
A: Given values:- Initial angular velocity,(ω0)=6 rev/sec -----(1) Time of stop,(t)=19.7 sec ----(2)…
Q: A Ferris wheel, rotating initially at an angular speed of 0.50 rad/s, accelerates over a 7.0-s…
A:
Q: An astronaut is inside a centrifuge that has a radius of 10 m. The astronaut starts from rest and…
A: The angular acceleration of a body is given as α=v2r…
Q: The angular speed of a rotating disk is given by the equation: = (2rad/s) + (3rad/s²)t What is the…
A: Given : The angular speed of a rotating disk is given by ω = (2rad/s) + (3rad/s2)t
Q: A rotating disk is initially spinning at w=2.7 rev/s, slows down and stops in 19.4 s. What is the…
A: The disk’s average angular acceleration can be determined by using the rotational kinematics…
Q: A rotating wheel requires 3.04-s to rotate through 37.0 revolutions. Its angular speed at the end of…
A: Using: So, ωi=2∆θt-ωf=237.02π3.04-97.4=55.5 rad/s The angular acceleration is then:…
Q: When a fan is turned off, its angular speed decreases from 10 rad/s to 6.3 rad/s in ?5.0s. What is…
A: Given: The initial angular speed of the fan is 10 rad/s. The final angular speed of the…
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