8. A disk is rotating horizontally about its center. Its mass is M = 2.5 kg, the radius is 2.0 m and its speed is v = 7. A point on the rim takes 0.5 seconds to make a full turn. a) Find the angular momentum. Note: I = 2M b) Find the angular momentum if the period is T= 1second

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Q: A sanding disk with rotational inertia 4.2 x 103 kg-m² is attached to an electric drill whose motor…

A: Rotational inertia (I) = 0.0042 kg m-2Torque (T) = 38 N.m time (t) = 29 ms = 0.029 s

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Q: 1) The rotation of the pulley is defined by e = 3t* + 20t² + 6 where 0 is in rad and t is in…

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Q: 1) A student measures the acceleration of a disk with 12 cm radius. She attaches a 200 g mass to the…

A: (a) Write the expression of the torque. τ=Iαmgr=Iα

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A: Given:  Angular acceleration, α=2 rad/s2 No. of revolutions→ 2.4 Time interval, t=2 s

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A: Given data:  Rotational inertia (I) = 8.8 × 10-3 kg.m2 Torque (τ) = 17 N.m Time interval (Δt) = 37…

Q: 2. Refer to figure 2. A 25.0 kg mass rotates 0.250 m from a rotating point with an angular velocity…

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Q: 1. The disks shown in the figure have equal mass. The second disk has twice the radius of the first,…

A: Dear student The moment of inertia of a disk is given by: I = 1/2 mr2 Here m = mass r = radius The…

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Q: 1. A spinning ice skater on extremely smooth ice is able to control the rate at which she rotates by…

A: Since you have asked multiple question, we will solve the first question for you. If you  want any…

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A: GivenTorque applied, τ=35.3 NmInitial angular velocity, ωi=0 rad/sFinal angular velocity, ωf=10.1…

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