1. A centrifuge starts from rest. Its angular acceleration α is constant for 12 s. Its...
1. A centrifuge starts from rest. Its angular acceleration α is
constant for 12 s.
Its final angular speed is ω = 210 revolutions per second.
What is its angular acceleration α in units of s-2?
2. A wheel with moment of inertia 0.06 kgm2 rotates about a fixed axis. Its kinetic energy is 397 J. What is ts angular speed ω in s-1?
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1. A centrifuge starts from rest. Its angular acceleration α is
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A centrifuge takes 100.0s to spin up from rest to it's final angular speed with constant...
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2. A bar on a hinge starts from rest and rotates with an angular acceleration α (10 + 61), where α is in rad/s" and 1 is in seconds. Determine the angle in radians through which the bar turns in the first 4.00 s. 4. A dentist's drll starts from rest. After 3.20 s of constant an- gular acceleration, it turns at a rate of 2.51 × 104 rev/min. (a) Find the drill's angular acceleration. (b) Determine the angle (in...
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