A spinning disc rotating at 130 rev/min slows and stops 31 s later. How many revolutions did the disc make du

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2006-06-23 08:12:03 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Physics

2006-06-23 08:15:39 · answer #1 · answered by Anonymous · 0⤊ 0⤋

we need to know the acceleration - was it a constant deceleration from 130 to 0 rev/min?

2006-06-23 15:15:39 · answer #2 · answered by Anonymous · 0⤊ 0⤋

If deceleration is linier then 67.6666666666666666666...... (67 2/3)

2006-06-23 15:24:39 · answer #3 · answered by paulofhouston 6 · 0⤊ 0⤋

67.166677 times

2006-06-23 15:16:32 · answer #4 · answered by Anonymous · 0⤊ 0⤋