If the person in the above problem completes the flexion in .5 seconds, what was their average angular velocity?

Q: The angular velocity of a rotating rigid body increases from 200 to 1,850 rev/min in 130 s. (Enter…

A: Initial velocity wi = 200 rev/min = 200×0.105 rad/s wi = 21 rad/s Final velocity wf = 1850×0.105…

Q: Determine the moment of inertia (mm4) of the cross section shown with respect to the x-axis if…

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Q: The 5-lb rod is held at rest by the string. The string is then cut. What is the angular velocity of…

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Q: A clinical blood centrifuge operates at ω= 1200 rpm. a.) What is the angular velocity measured in…

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Q: A bicycle tire is spinning clockwise at 2.00 rad/s. During a time period Δt = 1.70 s, the tire is…

A: Given: A bicycle tire is spinning clockwise initially at ωi=-2.00 rad/s (negative sign for spinning…

Q: A wheel 203 cmcm in diameter takes 2.30 ss for each revolution.  Find the period of the wheel.…

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Q: Two big bugs, Buzz and Crunchy each of mass 0.65 kg, are siting on a spinning disk on a horizontal…

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Q: Suppose an object is rotating at an angular speed of 111 radians/s. It is then accelerated to 360…

A: Given data:  Initial angular velocity (ω0) = 111 rad/s Final angular velocity (ω) = 360 rad/s Time…

Q: At time t=0, the angular velocity of a wheel is 3.00 rad/s. The wheel is accelerating with constant…

A: Tangential acceleration (at) = r×alpha  at = 1×4.75 = 4.75 m/s2  Now, after 0.2 sec angular speed  W…

Q: Problem 4: With the aid of a string, a gyroscope is accelerated from rest to 28 rad/s in 0.35 s.…

A: We have a gyroscope that is accelerated from rest (initial angular velocity wi=0) to angular…

Q: An airplane is ready for takeoff. It's propeller starts at rest, but at time t = 0 it begins to…

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Q: A thin- walled cylinder of radius 50 cm, mass 1.0 kg, is mounted on a frictionless, horizontal axle…

A: radius = 50 cm  = 0.5 m mass = 1 kg mass of object = 2 kg Tension = M (g-a) = 2 (9.8- a) = 19.6 - 2a…

Q: The sketch shOws a conical pendulum. The ball swings in a circular path because of the string…

A: The sketch shoes a conical pendulum the ball swings  in a circular path because of the string…

Q: Assume that you have a thin walled loop of radius 11.0 cm, which starts at rest and rolls down a…

A: Apply the energy conservation equation between the top and the bottom of the plane.…

Q: sider a rod that is 0.260 cm in diameter and 1.40 m with a mass of 0.0500 kg. Find the moment of…

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Q: The graph as attached describes the angular velocity of a particle with respect to time. What is the…

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Q: Sadie rollerbladed for 15 minutes. She put a device on one of the wheels that determined that the…

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Q: A body that performs a uniform circular motion goes around 3 times in 1 minute its center of…

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Q: Two big bugs, Buzz and Crunchy each of mass 0.65 kg, are siting on a spinning disk on a horizontal…

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Q: Two pulleys, one with radius 8 inches and one with radius 4 inches are connected by a belt, so that…

A: The radius of the first pulley r1=8 inches The radius of the second pulley r2=4 inches The angular…

Q: final angular velocity

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Q: Two big bugs, Buzz and Crunchy each of mass 0.65 kg, are siting on a spinning disk on a horizontal…

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Q: Consider the shaded area shown in (Figure 1). Suppose that a = 9 in. and b = 4 in. Figure Part A I₂…

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Q: The angular position of a rotating object as a function of time is given below: 0(t) = 4t³ – 4t² +…

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Q: Determine the moment of inertia (in mm4) of the given figure with respect to y axis if y=84 mm and…

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Q: Find the maximum angular speed of the cylinder.

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Q: A disk of radius R = 10cm and mass m = 3kg spins horizontally at a rate of 10 revolutions per minute…

A: Given: The mass of the disk is 3 kg. The radius of the disk is 10 cm = 0.1 m. The initial angular…

Q: The force is F=3j+Sk (N) acts at the position r=2i from the axis of rotation. Determine the torque…

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Q: How many revolutions does it take for the discus thrower's angular speed to reach 5.8 rad/s? Express…

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Q: A rotating wheel is supported on a turntable as shown. The wheel has an angular velocity of 54.0…

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Q: A pitcher throws a curveball that reaches the catcher in 0.48 s. The ball curves because it is…

A: Given in question - The ball reaches the catcher in time∆t=  0.48 s…

Q: A uniform disk of radius 0.455 m and unknown mass is constrained to rotate about a perpendicular…

A: Given: In this question, the given details are, A uniform disk of radius 0.455 m and unknown mass is…

Q: The angular speed of a wheel decreases uniformly from 34.0 rad/s to 2.0 rad/s in 18.0 s. A. Find the…

A: Given data:  Initial angular velocity (ω0) = 34.0 rad/s Final angular velocity (ω) = 2.0 rad/s Time…

Q: rotating from rest with a constant angular acceleration. It takes 2.5 seconds to complete ten…

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Q: The uniform 22-kg plate is released from rest at the position shown. (Figure 1) Figure A 0.5 m 1 of…

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