A wheel is spinning at 52 rad/s. Overa period of 15 s it is spinned up to362 rad

Question

A wheel is spinning at 52 rad/s. Overa period of 15 s it is spinned up to362 rad/s.

A. Determine its angular acceleration while it wasspinning up.
                rad/s2

B. Determine how many revolutions it made whilespinning up.
              revolutions
A wheel is spinning at 52 rad/s. Overa period of 15 s it is spinned up to362 rad/s.

A. Determine its angular acceleration while it wasspinning up.
                rad/s2

B. Determine how many revolutions it made whilespinning up.
              revolutions

Explanation / Answer

= (2 - 1) / t = (362- 52) / 15 = 20.67 rad/s2 = 1 t + 1/2 t2 = 52* 15 + 1/2 * 20.67 * 152 = 3105 rad = 3105 / (2 ) = 494 rev   since there 2 rad/rev = 1 t + 1/2 t2 = 52* 15 + 1/2 * 20.67 * 152 = 3105 rad = 3105 / (2 ) = 494 rev   since there 2 rad/rev

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