inertia of a disc is I = MR² F₁ = 2.5 N applied at the outer edge of the disc. F2 = 5.1 N applied at a distance of 0.29 from the center of the disc. What is the angular acceleration of the disc?
Q: A hamster running in a wheel of radius 15 cm spins the wheel at 16 revolutions per minute. Round…
A:
Q: A ceiling fan is rotating counterclockwise with a constant angular acceleration of 0.20? rad/s2…
A: Given that:α=0.20 rad/s2t=3.0 s
Q: of 3.67 The drill bit of a variable-speed electric drill has a constant angular acceleration 6.98…
A: Angular acceleration, α = 3.67 rad/s²Initial angular speed, ωo = 6.98 rad/sTime, t = 3.01 sec
Q: driver
A: Given: The initial angular speed of the tire = 21.5 rad/s Time taken = 3.50 seconds The angular…
Q: cylinder rotating about its axis with a constant angular acceleration of 1.4 rad/s2 starts from rest…
A:
Q: A bicycle tire is spinning counterclockwise at 3.20 rad/s. During a time period Δt = 2.50 s, the…
A: Given data, Initial angular velocity ωi=3.2 rad/s (c.cw) Final angular velocity ωf=-3.2 rad/s (cw)…
Q: A child sits on a merry‑go‑round that has a diameter of .5.00 m. The child uses her legs to push the…
A:
Q: A child sits on a merry‑go‑round that has a diameter of 4.00 m. The child uses her legs to push the…
A: Given: Diameter (d) = 4 m Angular speed (wf) = 16 rpm time (t) = 42…
Q: A child sits on a merry‑go‑round that has a diameter of 5.00 m. The child uses her legs to push the…
A: Initial angular speed (ω0)=0rad/sAngular speed after 45s(ω)=17rpm=17×2π60s=1.78rad/s∴ Average…
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: The propeller of an aircraft accelerates from rest with an angular acceleration ? = 2t + 8, where ?…
A: Given value--- angular acceleration = 2t + 8. We have to find--- What is the angle in radians…
Q: R2 RD Rotation axis (hrw8c10p54) A cylinder having a mass of 12.0 kg can rotate about its central…
A:
Q: A wheel rotates at a constant rate of 3.60 x 10 rev/min. (a) What is its angular velocity in radians…
A: Given N=3.60×103 rev/min time t=18s
Q: A rigid CD of radius 5 cm starts at rest. After 50 complete revolutions, the linear speed of the…
A:
Q: c. With the wheel starting from rest, this torque is applied constantly. After three revolutions,…
A: c. The angular acceleration expression ωf2=ωi2+2α∆sωf2=0+2α∆s⇒α=ωf22∆s
Q: A pitcher throws a curveball that reaches the catcher in 0.64 s. The ball curves because it is…
A: Time to reach by the ball to reach= 0.64 s Av. angular Velocity= 260 Rev/minute
Q: diameter
A:
Q: The propeller of an aircraft accelerates from rest with an angular acceleration ? = 3t + 9, where ?…
A:
Q: The blades of a aircraft turbine spin with an angular velocity of 500 rad/s. The turbine begins to…
A: Answer (A) 326 rad/sec Solution We know that For rotation motion kinematics equation ω2 =…
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: What is the angular acceleration when the angle is pi/4 radians?
A:
Q: A boy is riding a rotating merry-go-round and is standing r=4.8 m from its center. At this instant,…
A: The objective of the question is to find the net acceleration of the boy who is riding a rotating…
Q: child is riding a merry-go-round, which has an angular speed of 2.15 rad/s and an angular…
A: Given Child is standing 3.465 m from the center of the merry-go-round is r=3.465 m Angular…
Q: A wheel of diameter 40.0 cm starts from rest and rotates with a constant angular acceleration of…
A: (a) The expression for radial acceleration in terms of angular velocity is, arad=rω2…
Q: A cylinder having a mass of 5.0 kg can rotate about its central axis through point O. Forces are…
A: Given; F1 = 7.0 N, F2 = 4.5 N, F3 = 1.5 N, and F4 = 5.0 N. and R1 = 5.0 cm = 5 x 10-2 m and R2 =…
Q: A ferris wheel begins at rest. During the first part of the journey, the ferris wheel accelerates…
A:
Q: The angular speed of a rotating platform changes from ω0 = 3.6 rad/s to ω = 6.4 rad/s at a constant…
A: Write the expression for centripetal acceleration.
Q: The angular speed of a rotating platform changes from ω0 = 2.6 rad/s to ω = 8.8 rad/s at a constant…
A: The objective of this question is to calculate the final centripetal acceleration of a point at the…
Q: The disk, which has a mass of 27 kg, is subjected to the couple moment of M = (1.7θ + 4.5) N m,…
A:
Q: An optical disk drive in your computer can spin a disk up to 10,000 rpm (about 1045 rad/s). If a…
A:
Q: A ceiling fan is rotating counterclockwise with a constant angular acceleration of 0.40? rad/s2…
A:
Q: What is the magnitude of the average angular velocity of the eye?
A:
Q: A potter's wheel (1 = 6.3 kg-m²) spins at 24 rad/sec. A 2.4 kg glob of clay is dropped vertically…
A:
Q: 18 N 0.3 m 12 N 1.0 m 0.5 m 16 N A 367 kg solid disk (with uniform density) is shown. Its rotation…
A:
Step by step
Solved in 4 steps with 3 images
- A dentist's drill starts from rest and undergoes uniform angular acceleration for a period of 0.180 s until it turns at a rate of 2.85 ✕ 104 rev/min. (a) What is the drill's angular acceleration (in rad/s2)? (Enter the magnitude.) rad/s2 (b) What is the angle (in radians) through which the drill rotates during this period? (Enter the magnitude.)The propeller of an aircraft accelerates from rest with an angular acceleration ? = 3t + 9, where ? is in rad/s2 and t is in seconds. What is the angle in radians through which the propeller rotates from t = 1.00 s to t = 5.50 s? radiansA rotating wheel has a constant angular acceleration. It has an angular velocity of 5.0 rad/s at time t = 0s, and 3.0 s later has an angular velocity of 9.0 rad/s. What is the angular displacement of the wheel during the 3.0-s interval?
- A 3.0 kg solid cylindrical wheel has a radius of 54 cm. Two forces are applied to it as shown in thefigure. F, = 10 N and is applied at the edge. F2 = 25 N and is applied halfway between the axeland the edge. What is the magnitude of the angular acceleration of the wheel?A bobsled is moving around a 4.2m radius turn with a radial acceleration of 9.97 m/s^2. What is the angular velocity of the bobsled (in rad/s)?A turntable rotates clockwise at 80 rpm. A speck of dust on the turn table has an angular position of θ = π/2 radians at t = 0. What is the angular position of the speck at t = 7.5 seconds? Your answer should be between 0 and 2π.
- What is the angular velocity (in rad/s) of an 82.0 cm diameter tire on an automobile traveling at 85.5 km/h? (Enter the magnitude.) rad/sProblem 2. A wheel of radius R = 0.1m whose center is fixed on an axle has a string of length l = 15m wrapped around it. It is initially not rotating. The string is pulled off tangentially with a constant tension in t = 1.0s. Find the the angular acceleration of the wheel. Find the final angular velocity of the wheel. How many full rotations does the wheel turn through while the string is being pulled off?A CD has a diameter of 12.0 cm. If the CD starts from rest and has a constant angular acceleration of 2.0 rad/sec2 , then what is the angular velocity of the CD after 3.0 sec?
- 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?Please refernece attachment. See image for more information.The angular position as a function of time of a rotating cylinder is giving by: θ(t) = 2.50(rad/s2)t2 – 0.60(rad/s3)t3. Find the maximum angular speed of the cylinder. Use calculus.