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March 4, 2015

March 4, 2015

Posted by **monic** on Wednesday, November 14, 2012 at 11:32pm.

(a) How long does it take for the grinding wheel to stop?

s

(b) Through how many radians has the wheel turned during the interval found in (a)?

rad

- physics -
**Elena**, Thursday, November 15, 2012 at 2:44pmn₀= 9.80 101 rev/min =….rev/s

ε=2 rad/s²

2•π•n=2•π•n₀ - ε•t,

since n=0, 2•π•n₀ - ε•t=0,

t=2•π•n₀/ ε=…

φ=2•π•n₀•t- ε•t²/2=....

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