Suppose that a disk rotates through 1 revolutions in 2 s.?

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(a) What is its displacement in radians in this time?
(b) What is its average rotational velocity in rad/s?

2007-12-11 16:20:59 · 3 answers · asked by shamsan_415 1 in Science & Mathematics ➔ Physics

(a) 1 revolution is 2π radians.
(b) 2π radians in 2s is 2π/2 rad/s

2007-12-11 16:24:21 · answer #1 · answered by Anonymous · 0⤊ 0⤋

(a) One revolution is 2Ï radians.
(b) 2Ï radians / 2 seconds.

2007-12-12 00:24:56 · answer #2 · answered by jgoulden 7 · 0⤊ 0⤋

A) 6.28 radians or 2(pi) radians

B) 3.14 radians/sec or 1(pi) radians/sec

2007-12-12 00:26:21 · answer #3 · answered by Confused 0ne 2 · 0⤊ 0⤋