The rotational inertia of a disk about its axis is 0.70 kg . m2. When a 2.0 kg weight is added to its rim, 0.40 m from the axis, the rotational inertia becomes:
A) 0.38 kg . m2
B) 0.54 kg. m2
C) 0.70 kg . m2
D) 0.86 kg . m2
E) 1.0 kg . m2
Correct Answer:
Verified
Q52: A wheel starts from rest and spins
Q55: A pulley with a radius of 3.0
Q56: Three identical balls, with masses of M,
Q57: A solid uniform sphere of radius R
Q61: A disk has a rotational inertia of
Q64: A cylinder is 0.10 m in radius
Q73: The rotational inertia of a solid uniform
Q75: A uniform solid cylinder made of lead
Q81: A disk with a rotational inertia of
Q85: A block is attached to each end
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents