Questions $19-20$

A flywheel with a radius of $0\mathrm{.}300$ m starts from rest and accelerates with a constant angular acceleration of $0\mathrm{.}600ra\frac{d}{s^2}.$

$19.$ Compute the magnitude of the tangential acceleration and the radial acceleration of a point on the flywheel'edge at the start. $(=3)$

$($a$)(0180$;$0\mathrm{.}600)\frac{m}{s^2}$

$($b$)(0\mathrm{.}600$;$0\mathrm{.}180)\frac{m}{s^2}$

$($c$)(0\mathrm{.}180$;$0)\frac{m}{s^2}$

$($d$)(0\mathrm{.}30$;$0)\frac{m}{s^2}$

$($e$)(0$;$0)\frac{m}{s^2}$

$20.$ Compute approximate resultant linear acceleration of a point on the flywheel edge after it has turned through $60.$

$($a$)0\mathrm{.}3\frac{m}{s^2}$

$($b$)0\mathrm{.}6\frac{m}{s^2}$

$($c$)0\frac{m}{s^2}$

$($d$)0\mathrm{.}8\frac{m}{s^2}$

$($e$)0\mathrm{.}4\frac{m}{s^2}$